look at this. huge fire that erupted when a gas line exploded in northern colorado yesterday afternoon. flames and smoke could be seen for miles. fire burned for hours. no injuries reported, though. investigators say the fire and rupture now under control. also in colorado, southwest of that explosion, environmental clean-up crews accidentally triggered a spill of about 1 million gallons of mine waste. that went into a creek. it created a stream of mustard-colored muck. the epa says that muck is made up of heavy metal and soil. the impact on fish and wildlife still unclear. turning now to nashville where are new details emerging about the terror that unfolded

this week inside a movie theater after vincente montano attacked a family with pepper spray and a hatchet, he cracked open a canister of propane. police say he also had lighter fluid, likely attempting to set off a bomb, but he was stopped in his tracks by an officer after pulling out a pellet gun that looked real. >> immediately upon entering the theater, i was engaged with what i perceived to be small arms fire from a small-caliber handgun. i turned to my right, and all i could see was the silhouette of a figure. i engaged that figure with one shot with my patrol rifle and immediately backed out. >> montano was shot dead. he was homeless after struggling with mental illness, said to be angry, delusional and hearing voices. deliberations resume this morning in colorado over the fate of theater gunman james holmes. jurors got the case yesterday after closing arguments. they've already rejected holmes' insanity defense and convicted

him of murdering 12 people at that theater. well, another death from legionnaires' disease. the victim a 53-year-old woman in cleveland. she had been hospitalized for two weeks. >> and here in new york, the death toll from legionnaires' is up. gio benitez reports. >> reporter: america's largest city on alert for legionnaires' disease. >> we've never seen an outbreak like this. >> reporter: officials have been saying they have it under control, calling in the cdc with the rising number of cases, now 100 inspected and 10 dead. a type of severe pneumonia caused by breathing in water vapor that contains the legionella bacteria, ten towers in the bronx testing positive for it. our dr. richard besser climbed to the top of a tower to show how bacteria spreads. >> reporter: it's shot out of these giant fans into the air. if it's contaminated with legionel legionella, it could travel for as far as seven miles.

>> reporter: the city's health commissioner ordering all building owners to test and clean their cooling towers within 14 days or face a misdemeanor. the disease is not linked to water towers like these that store tap water or to home window or central air conditioners like these. the people who died all had other health issues, as well. but the scary part is everyone who contracted this disease got it by just breathing in the air in this neighborhood. gio benitez, abc news, new york. >> you know how they got the name legionnaires'? >> this was an interesting factoid i did not know. >> from 1976. apparently, the american legion convention in philadelphia where 34 people died. that's where it came from. >> nasty stuff. they need to get this under control. a lot of people fearful in new york city. coming up here, we've got an emotional good-bye. jon stewart's last show and the parade of talent bidding "the daily show" host farewell. signing off in his signature style with a final lesson for his fans. ahead in our next half hour, teens texting while driving. a new study that says teens are feeling pressure to text from

boeh the behind the wheel. it comes from a surprising source. you're watching "world news now." >> announcer: "world news now" continues after this fro

the best defense against bull [ expletive ] is vigilance. so if you smell something, say something. >> come on. i can't believe it's over. i can't believe it's over. >> perfect. this guy has been something else

in this industry. oh, my goodness. >> those are his parting plea on his final episode of "the daily show" last night. over the years, he's used his voice to call out the injustices of the world. >> the way he combines comedy and journalism has changed the game. abc's marci gonzalez looks at stewart's legacy. >> announcer: this is "the daily show with jon stewart." ♪ >> i've got big news! this is it! this is the final episode! >> reporter: 16 years after his first wisecrack as host of "the daily show." >> welcome, welcome to "the daily show." chris kill borne is on assignment in kuala lumpur. >> reporter: jon stewart signing off for the last time. >> you can't possibly leave without saying good-bye to your sam. >> reporter: fans lining up outside of the comedy central show's studio in new york for hours just to be there for the final taping. >> do you have any idea the trail of hate that you've left

behind? role 212. >> reporter: the comedian known for relentlessly targeting politicians. >> i'll never forget you jon, but i will be trying. >> and just when i'm running for president. what a bummer. >> reporter: and mocking the media, especially fox news. >> have fun feeding your rabbits, quitter. >> reporter: stepping away, he says, to spend more time with his family. >> i want to thank my wife, tracey, and my kids, nate and maggie. i'm not going to look over there. for teaching me what joy looks like. >> reporter: stewart interviewed everyone from fellow actors to world leaders. >> i can't believe that you're leaving before me! >> reporter: he helped launch the fame of straight-faced stars including steve carell, john oliver and stephen colbert. >> aloha, jon. >> reporter: the 52-year-old's incites at times cutting and at times often controversial, but

to his fans, bringing a unique and hilarious perspective that can't be replaced. >> that's our show. i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it, and so, here it is, my moment of zen. >> reporter: marci gonzalez, abc news, new york. >> it must have been emotional. >> yeah. he held it together, though, pretty well. >> yeah. when you're hanging up a show, and you know, it's your last day, it must be tough. >> it's got to be tough. but he did well. but you know what he did? both you and i, with were at cable, you at fox, me at cnn. but this is how influential he was. it became a part of your routine to say i don't want to make it on to "the daily show." you don't want to screw up. >> do you want to know a little bit of john text abc trivia? in 2000, i guess a few months after he started his show, i was a runner, which is like the lone intern at, i think it was the democratic convention for abc, and he was there shadowing peter jennings. >> wow. >> because he wanted to see -- and nobody, of course, knew sort

of the impact he would have on us in return. and ironically, i wish i had shadowed him before that. >> then you wouldn't have to be sitting here next to me, huh? >> they probably wouldn't have let me through the door. and you know, to celebrate here, we, of course, got a cake. this is the remnants of what's left of our cake. >> oh, yeah. going to miss you, jon. >> we're going to miss you. >> we tore it up. >> we tore it up, which is a sign of our affection for you and for chocolate, nall one. all right, folks, we've got "the mix" and the friday polka. >> yeah, friday polka, of course! >> we've got a good polka today? >> of course. we always have a good polka. people look forward to the polka. >> i'm looking forward to the polka. i have a good sign for you today, too. >> you do? >> stay with us, folks. >> i'm curious. stay with us, folks. >> you do? i'm curious. today. stay with us, folks. >> you do? i'm curious.

>> important message for residents age 50 to 85. write down this number now. right now, people are receiving this free information kit for guaranteed acceptance life insurance with a rate lock through the colonial penn program. if you are on a fixed income, learn about affordable whole life insurance that guarantees your rate can never increase for any reason. if you did not receive your information, call this number now. your acceptance is guaranteed, with no health questions. stand by to learn more. >> i'm alex trebek, here to tell you about a popular life insurance plan with a rate lock that locks in your rate for life so it can never increase. did you get your free information kit? if not, please call this number now. this affordable plan through the colonial penn program has coverage options for just $9.95 a month. your rate is locked in

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time now for "the mix." a lot of people multitask, right? >> of course, we all do. >> especially when there's lots of things to do. you've got to find child care. this guy in london took it to a new level on the tube. a tube strike. you see, he's got a baby strapped on to his chest. he's got one of those music work stations. you see it's got like a laptop and a keyboard, the baby strapped to his chest. people on the train weren't sure why he needed to set up this emergency travel desk situation. and he's so into his work, he's kind of oblivious as to why people were checking him out and wondering what he was up to. >> is it necessary? >> that's what people are asking. >> is it really necessary? he got some work done and the baby's there. it's kind of impressive. >> daycare and work all in one.

>> we've got a toy for that baby there. i want you to look at the video and listen. i'm not going to give it away. just watch this toy. ♪ >> oh, boy. >> yes, somebody saw this at walmart. a twerking toy. should a toy be twerking to bow-wow wow yippy yo yippy yay. you can get one, too, for only $19.95. polka. >> polka, polka. ♪ politics and foreign wars all the weather all the scores ♪ ♪ that's the world news polka ♪ business news from tokyo stuff you saw on koppel's show ♪ ♪ that's the world news polka ♪ it's late at night you're wide awake and you're not wearing pants ♪ ♪ so grab your "world news now" mug and everybody dance hey ♪ ♪ have some fun be a pal every anchor guy and gal ♪ ♪ do the world news polka

>> let's hear it! ♪ >> what is it? ♪ that's the world news polka ♪ that's the world news polka ♪ who cares what the network thinks or the sponsors too ♪ ♪ and if your neighbors call the cops here's all you have to do ♪ ♪ when they yell it's half past three, tell them, hey, it's news to me ♪ that's the world news polka ♪ ♪ they make us work the graveyard shift that's why we go for broke ♪ ♪ so why not tune in to abc and join our little joke ♪ ♪ five days every week we're here with our tongue in cheek ♪ ♪ that's the world news polka ♪ do the world news polka >> yeah! thank you! >> thank you.

this morning on "world news this morning on "world news now," political bombshell. just moments into last night's republican debate, the jaw-dropping admission from front-runner donald trump. we're live in cleveland with extended coverage. confusion and frustration as more debrees, possibly from malaysia airlines flight 370, washes up on shore. the difficult news for passengers' families. driving distracted. the disturbing, new study about who may be pressuring teen drivers to text while behind the wheel. the safety alert. and later in "the skinny," saying good-bye to jon stewart on "the daily show." the unforgettable moments from his final broadcast. it's friday, august 7th. >> announcer: from abc news, this is "world news now" with t.j. holmes and reena ninan.

oh, they've got to get back out on the campaign trail. the republican presidential candidates, all 17 of them now, after last night's big debate. >> most of the focus was on the man at the top of the polls in the middle of the stage, donald trump, who is getting slammed about his comments about women. abc's dan harris has more. >> reporter: right from the jump, donald trump made waves. >> is there anyone on stage, and can i see hands, who is unwilling tonight to pledge your support to the eventual nominee of the republican party and pledge to not run an independent campaign against that person? mr. trump? >> i cannot say i can totally make that pledge if i'm the nominee. i will pledge i will not run as an independent. >> reporter: a few other candidates said a few other things, and then 21 minutes in, it was back to trump for another doozy. >> you've called women you don't like fat pigs, dogs, slobs, and disgusting animals.

your twitter account -- >> only rosie o'donnell. i think the big problem this country has is being politically correct. >> moments later, rosie herself weighed in on twitter, "try explaining that to your kids." the testiest moment of the night didn't involve trump, but instead, new jersey governor chris christie and kentucky senator rand paul. it was over the nsa's bulk data collection, which christie supports and paul does not. >> i want to collect more records from terrorists but less records from innocent americans. >> when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. >> you fundamentally misunderstand the bill of rights. >> reporter: to be sure there was plenty of hillary clinton bashing -- >> if hillary is the candidate, which i doubt, that would be a dream come true. >> if i'm our nominee, how is hillary clinton going to lecture me about living paycheck to paycheck? >> everywhere in the world that hillary clinton touched is more messed up today than before she

and -- >> we have more questions to come. >> reporter: here in the same arena in cleveland where the republican party will hold its national convention next year. but perhaps the most bizarre riff on hillary came from the donald, who talked about why he contributed to her in the past. >> with hillary clinton, i said be at my wedding, and she came to my wedding. you know why? she had no choice! >> reporter: dan harris, abc news, new york. >> what a night. >> that was -- >> looking forward to that for a long time. >> hillary, by the way, the only thing she tweeted back was about jon stewart leaving, saying she was sorry that he's going. >> so, she didn't engage. but i give fox news credit for building this thing up over weeks and even months. >> yes, they did their homework, didn't they? >> you know what? it was like we were all waiting for march madness, the selection show. who is going to make the cut to be on stage. they built up so much excitement. i give them credit for this excitement. our karen travers is there in cleveland, continues our coverage now. we heard what he had to say on the stage before the debate now.

he was trying to downplay expectations. so, after the debate now, what was trump saying? >> reporter: t.j., some hurt feelings for donald trump. a little surprising afterwards. he was in the spin room saying he felt that fox was too hard on him. in particular, he said megan kelly's questions for him were just tougher than she was on any of the other candidates. of course, donald trump being donald trump, he said everybody's telling me this, that i had the toughest time tonight. but you know, donald trump says he didn't prep for this. he says he's not a debater. he's prepared for anything. one republican tweeting tonight, saying, you know, if donald trump says he can take on china, he should be able to take on three moderators from fox news. >> oh, interesting. a lot of people say you've really got to the prepare to have vision in mind. i want to talk about number two and number three in the polls, jeb bush and scott walker. how did they deliver tonight? >> reporter: they really didn't do much to set themselves apart.

you call it a draw, really. jeb bush second or third in the polls, scott walker the same. they were right next to donald trump. and that's a tough position to be in, reena, because if you're going to get it from donald trump, you're also going to get it from the other side. and i think that was one thing that was interesting last night, the candidates did not seem to want to give donald trump attention, so they turned on the other front-runners that they wanted to bring down, and that meant that they were getting a lot of attention. but just not really a format for both of them to shine not their best night. >> well, karen, thank you so much, reporting live for us from cleveland. thanks for staying up with us, karen. >> reporter: thanks. >> stay with abc news for more reaction to the republican debate. look for more coverage on "america this morning" and in-depth analysis on abcnews.com. turning now to the malaysian airlines passenger jet. confusion and frustration this morning over more debris washing ashore on the same french island where that wing flap was found.

we get the latest from abc's david wright. >> reporter: bits and pieces found on reunion island. could this be the frame of an airplane window? malaysia's transport minister thinks so. >> all these need to be very fine. >> reporter: french investigators would have to determine if it could be a boeing 777 part. >> once you find the first piece, you start finding others. >> reporter: one former ntsb investigator says after a year and a half in an ocean-sized washing machine, debris could turn up in mauritius, mozambique and madagascar, too. >> these parts have had 500 days to move around. pieces move around at different rates depending how much is exposed to winds and whatever. >> reporter: the families crave a straight answer. >> the whole 17 months has been horrible. it's been handled appallingly and continues to be handled appallingly. >> reporter: in beijing, frustrations boiled over outside malaysian airlines' office. the right answers are in

everyone's interest. the french military will deploy a search plane, a helicopter and boats around reunion island, hoping to spot more debris. it is hard to put together a jigsaw puzzle when you have only one piece. david wright, abc news, paris. russian hackers are thought to be behind a cyber attack on the joint chiefs of staff. the hack affected about 2,500 people on the pentagon's joint staff, including war planners and decision-makers. pentagon officials say it was sophisticated yet simple. it was a phishing attack, meaning the hackers dummied up either an e-mail or a login that looked so real that a member of the staff was fooled. taiwan bracing for what's expected to be a direct hit from a powerful typhoon over next day. the storm will bring damaging wind, flooding rain and powerful surf to the island before moving to china. the obama administration is sending federal aid to the already hard-hit island of

saipan. it's a commonwealth declared a disaster area. there's no power or running water there since the storm hit sunday. in northern california, firings are facing a new challenge now that red flag warnings are in effect. governor jerry brown visited crews on the front lines. he warned this is only the beginning for the drought-ravaged state, noting historically that august and september are much worse than july during fire season. we look at the friday forecast, and in addition to the windy weather in northern california, showers and storms hit the rockies in the afternoon. heat warnings posted in dallas, little rock and oklahoma city. showers in the western great lakes. heavy rain in washington, d.c. and richmond. >> 70s in l.a., boston and salt lake city, 80s in chicago, new york and seattle. 90s denver, kansas city and memphis and triple digits in phoenix and dallas. an investigation into the crash of a plane flown by actor harrison ford revealed the engine failed because of a carburetor problem. ford reported engine failure about 1,100 feet, then struck a tree on his way to landing on a california golf course. the ntsb's report on the march

accident found an improperly installed shoulder harness contributed to ford's injuries. the airlines always get harsh criticism about all the fees they charge. in a new report issued on capitol hill, it urges that the transportation department crack down on carriers charging unfair or hidden fees for checked bags, seat assignments and ticket changes. whoo-hoo, says, that's the voice of the passenger. and it accuses the industry of having no justification for bag fees, other than to increase profits. it recommends those bag fees be tied to costs that actually are incurred by the airlines. a lot of people frustrated by that one. >> yeah. let's go to chicago. chicago river? >> yeah. >> known for a lot of things. it serves as a backdrop. runners cross it is several times each october in the marathon there. then of course, it's dyed green for st. patrick's day. >> then there's this. the annual rubber ducky derby, the yellow. more than 57,000 yellow rubber duckies dumped in the river

yesterday to compete in the event. >> all of them adopted by people who made a donation to the illinois special olympics. initial indications are the charity raised about $350,000. >> it's the tenth annual one, so good luck to them. >> that's an interesting shot. >> i like that. i always look forward to it, because i think it's a cool image. coming up in "the skinny," the return of the spice girls going on tour, but somebody's missing. also ahead, saying good-bye to jon stewart. who's paying tribute to the comic who had a view of the world's events like no one else did. but first, teens who feel pressure to text behind the wheel. it may surprise you who's pressuring them. you're watching "world news now." >> announcer: "world news now" weather brought to you by oral b. i asked my dentist if an electric toothbrush was going to clean better than a manual. he said sure... but don't get just any one. get one inspired by dentists. with a round brush head. go pro with oral-b. oral-b's rounded brush head cups your teeth to break up plaque, and rotates

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texting while driving is claiming more lives every year and too many of them teenagers keeping their eyes on their phones instead of the road. >> but a surprising, new study is placing much of the blame on parents. abc's gio benitez explains. >> think about what am i doing right now? >> reporter: we've seen the in-your-face public service announcements. >> this is so easy. >> reporter: they're difficult to watch. teens losing their lives texting while driving. but the advocacy group students against destructive decisions says that teens aren't just texting behind the wheel for fun. they're feeling pressured by their parents. >> it's incredibly dangerous. >> reporter: according to sadd, more than 800 teens reported texting while driving to update their parents. nearly a quarter of them said they thought their parents expect a text response within five minutes. >> young people in particular

have a lack of driving experience. >> reporter: sadd says most parents they surveyed don't have any set expectations on when their kids should respond to their texts. >> they expect their parents to want a message back from them almost immediately. >> reporter: the issue is real. we've seen those accidents before. just take a look at this teen looking at her phone for six seconds before losing control and careening off the road. >> tell your kids to put their phones away while they're driving, and most importantly, parents, lead by example. >> reporter: gio benitez, abc news, new york. >> the other reason they say that kids text while driving is a thing called faux mo, a feeling of missing out, like something's going to happen in a second or two and then you're not going to be able to follow it up. >> do you feel that? when your phone goes off and you don't check, like, what is that? >> you hear that ding or something? >> yes. >> it's like this compulsive reaction, i've got to check it. >> let me see what it is. >> i've said this many times, i actually put my phone inside the glove compartment of my car

because i don't trust myself. >> that's why i can never get a hold of you. >> well, for other reasons, sometimes i don't respond. coming up, all the highlights from jon stewart's final "daily show." >> who gave the most heartfelt tribute, and the spice girl not making a comeback. that's next in "the skinny." just kidding, i always pick up the phone. in "the skinny." just kidding, i always pick >> announcer: "world news no

♪ skinny, so skinny ♪ skinny so skinny

it's over, folks. it's over. it's the end of an era. "the daily show with jon stewart" is no more. >> an incredible 16-year run, transformed media, politics and, of course, comedy. last night's final show was a great reminder of his impact. >> yeah, got the parade of talent, notable figures that came through to send stewart off, a testament to his influence. he's been quick to shrug off responsibility for launching so many careers, but his old pal, stephen colbert, would not let him get off that easy. >> you were infuriatingly good at your job, okay? all of us, all of us who were lucky enough to work with you -- and you can edit this out later -- all of us who were lucky enough to work with you for 16 years are better at our jobs because we got to watch you do yours. and we are better people for having know you. >> wow. >> you are a great artist -- >> he looks genuinely touched and emotional, right?

infuriatingly good. that was a good line. in true gentleman fashion stewart praised his staff and crew with a behind-the-scenes look at his "daily show" family. >> it was a scorsesesque tribute followed by some words by stewart on what he's been best at, calling people out, delivered with his signature satire. listen to this. >> we can't do anything because we don't yet know everything. we cannot take action on climate change until everyone in the world agrees gay marriage vaccines won't cause our children to marry goats who are going to come for our guns. >> then, of course, time for him to say good-bye, but he had an important reminder. >> this show isn't ending. we're merely taking a small pause in the conversation, a conversation which, by the way, i have hogged, and i apologize for that. rather than saying good-bye or goodnight, i'm just going to say i'm going to go get a drink, and i'm sure i'll see you guys before i leave.

so, that's our show. i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it, and so, here it is, my moment of zen. ♪ >> and who better to send off a boy from new jersey than the boss himself, bruce springsteen? hey, that's a well-deserved moment of zen. >> stewart said the show is going to continue. his successor south african comedian trevor noah. he starts up on september 28th. curious to see that. we've got a little break for us to get over jon stewart leaving. >> but he said he's just going to take a pause, so i assume he's going to come back. >> we're going to see, what was it, the movie he directed? maybe he wants to get into more stuff like that. we'll see him plenty. moving on to spice girls and reports that the girl power will be in full swing next year. the british powerhouse group broke on to the scene in 1996, and according it "the sun" newspaper of london, they're planning a 20th anniversary tour. >> but posh spice, that's victoria beckham, will not be

along for the ride, reportedly taking the time off to focus on her family and focus on her fashion line. if the tour does indeed happen with the other four spice ladies, they'll likely do quite well because they are the best selling girl group of all time. >> absolutely. and congratulations goes out to jennifer aniston and justin theroux. hollywood power couple now a married couple. the two tied the knot in an intimate wedding ceremony on wednesday at their bel air home. >> made it official after a three-year engagement. now they're heading off on their honeymoon, boarded a private jet reportedly heading to bora bora with some friends. congrats to them. finally, she probably doesn't appreciate us doing the story right after that about her ex, brad pitt sharing the screen with his current wife, angelina jolie, for the first time now in ten years. >> angelina's first movie "mr. and mrs. smith" is widely reported to be the cause of the divorce from aniston. the second movie seems to center on marital troubles. >> the trailer for the movie "by the sea" just released, looks

more serious than the previous film. the new film due out in november. coming up, "friday rewind." stick around. offer us today? ♪balance transfer that's my game♪ ♪bank you never heard of, that's my name♪ "by the sea" due out in november. coming up, "friday rewind." stick around. watch me make your interest rate... disappear. there's gotta be a better way to find the right card. whatever kind you're searching for, creditcards.com lets you compare hundreds of cards to find the one that's right for you. just search, compare, and apply at creditcards.com. ♪a one, a two, a three percent cash back♪

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from the worlds #1. olay. your best beautiful. ♪ so, finally this half hour, it's time for our weekly feature heralding the weekend, or that weekend is once again upon us, yes. >> you're ready for the weekend, aren't you? >> i am. clearly, i need my weekend. i need to work on my english. >> dog days of summer are here but the news doesn't stop. here's a look at the week's biggest headlines in our "friday rewind." >> all of a sudden, it just went completely dark inside, and we see the circus people are starting to leave the tent, and somebody's screaming "get out, get out, get out!" >> i was trying to get out and i was running and i slipped. and then that's when the pole hit me on the head. >> we've never seen a fire like this. >> doomsday, that's what it looked like. >> this is the first time that

i'm really feeling afraid that i could lose my house. >> there is no risk to our water supply from legionnaires' disease. >> you go from, like i said, a migraine to a headache and can't breathe. and your lungs shut off. >> we heard screams, we assumed because "insidious" was showing in a theater nearby. we're like, that must be a scary movie. >> he was armed with a hatchet and armed with a weapon that strongly resembles a semiautomatic pistol. but as we know now after examination, it is an airsoft gun. >> enough is enough. to mass shootings in our schools, our college campuses, our military bases and even in our movie theaters. >> so, let's not mince words. the choice we face is ultimately between diplomacy or some form of war. maybe not tomorrow, maybe not three months from now, but soon. >> i'm not sure we need $500 million for women's health issues.

>> now, he's got no problem giving billions of dollars away to the super wealthy and powerful corporations, but i guess women's health just isn't a priority for him. >> he'd want us to go out there and he'd always say before a game, have fun and play hard. >> that's our show. i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it, and so, here it is, my moment of zen. >> thanks for everything, jon. we wish you happy and safe travels. ♪ >> what a week. >> what a week. it really was. >> we wrap up with the gop debate and jon stewart saying good-bye. >> yeah. >> all right. don't miss our updates, facebook, wnnfans.com. >> coming up, more news from abc. >> announcer: this is abc's "world news now," informing insomniacs for two decades. r two decades.

good morning. i'm reena ninan. >> hello to you all. i'm t.j. holmes. here are some of the top headlines we're following this morning on "world news now." donald trump surprises the other republican candidates at last night's debate by saying he would not rule out a third-party run. he also took a jab at rosie o'donnell, of all people. more from the debate coming up. the russians are said to be behind a cyber attack targeting the joint chiefs of staff and their employees. the good news is that none of the compromised e-mails were classified. the death toll from legionnaires' disease in new york city is up to ten people now. at least 100 cases have been diagnosed. also, a 53-year-old woman in cleveland has died from legionnaires' after a three-week stay in a hospital. and on last night's final episode of "the daily show with jon stewart," the host was given a fitting send-off from friends and former colleagues, signing

off with his signature wit and, of course, one last moment of zen. those are some of our top stories on this friday, august 7th. >> announcer: from abc news, this is "world news now" with t.j. holmes and reena ninan. all right, let's start, where else, but those ten republican candidates on stage in cleveland. donald trump very much literally and figuratively at the center. >> there were plenty of verbal attacks aimed at each other and even a few towards hillary clinton, who claims that she did not watch the debate. abc's karen travers is in cleveland. >> reporter: good morning, t.j. good morning, reena. this debate did not disappoint. it lived up to its hype. it was feisty, it was heated, and it covered a wide range of policy issues. no surprise, donald trump commanded the spotlight every chance he got. but for the most part, his opponents did not get down in the mud with him. the fireworks started early.

>> mr. trump -- >> i cannot say i have to respect the person that, if it's not me. >> he's already hedging his bets because he's used to buying politicians. >> reporter: trump quickly put on spot, asked to explain past comments that the fox moderator called disparaging against women. but no apology from the business mogul. >> i think the big problem this country has is being politically correct. >> reporter: the other contenders trying to bring the focus back to the issues. >> i'm pro-life. i've always been pro-life. >> reporter: illegal immigration, a hot-button issue for gop voters and an area where this field has had differing opinions. >> a majority of the candidates on this stage have supported amnesty. i have never supported amnesty. >> i believe the great majority of people coming here illegally have no other option. they want to provide for their family. but we need to control our border. >> reporter: and the fiery debate between senator rand paul, an eye doctor, and

governor chris christie, a former prosecutor, over government surveillance programs. >> i want to collect more records from terrorists and less records from innocent americans. >> when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. >> you fundamentally misunderstand the bill of rights. >> reporter: for all the talk about donald trump and his place in the spotlight, the other nine candidates for the most part ignored him, opting not to engage him, but that didn't stop trump from getting in his digs. >> our leaders are stupid. our politicians are stupid. >> reporter: one thing the entire field can agree on, hillary clinton. the republican candidates blasted the democratic front-runner, insisting they could take the country in a better direction. t.j., reena? >> thank you, karen. and before the debate, the candidates who did not make it on stage appeared in their own forum. former senator rick santorum, governor bobby jindal, former new york governor george pataki and former virginia governor jim gilmore as well as former ceo

carly fiorina, they all shared the stage. >> we need to be very well aware of the fact that china and russia are using technology to attack us just as isis is using technology to recruit those who would murder american citizens. >> to start with, unlike president obama, i'll actually name the enmaey that we confront. >> analysts say fiorina far and away the winner. one even predicted that next time, she'll be on the debate stage with the top candidates. stay with abc news for more reaction to the republican debate. look for more coverage on "america this morning" and in-depth insight on abcnews.com. we're starting to get a clearer picture of the man behind the movie theater attack in tennessee. police say he was racked by mental illness, delusional and hearing voices for more than a decade. we're also hearing from the hero officer credited with saving the day. more now from abc's steve osunsami. >> the credit really belongs here.

>> reporter: we're hearing from the officer who police say stopped the attack at this movie theater. >> immediately upon entering the theater, i was engaged with what i perceived to be small arms fire from a small-caliber handgun. >> reporter: officer jonathan frith confronted the attacker in the dark. he and other officers had come from a car accident just minutes away. >> i engaged that figure with one shot from my patrol rifle and immediately backed out. >> reporter: we're also hearing the calls for help. >> he pulled out like a hatchet and started attacking this family, and then he pulled out a gun, and we all ran out of the theater. >> reporter: police say that 29-year-old vincente david montano was carrying canisters of propane and lighter fluid to use as explosives. witnesses also say he was spraying pepper spray in people's faces, carrying what police now say was a fake gun. he wounded this man in the shoulder with a hatchet. >> i have no idea why this gentleman decided to attack us. >> reporter: a s.w.a.t. team forced montano outside, where he was killed by police gunfire. his own mother sounded an alarm

days ago, filing this missing person's report, telling police her son was diagnosed with paranoid schizophrenia. he was institutionalized four times since 2004, the same year police arrested him for assault. montano was facing a lifelong struggle with mental illness, a struggle that ended here at the movies. authorities say it's a blessing no one else was seriously hurt. steve osunsami, abc news, antioch, tennessee. a jury in colorado resumes deliberating the fate of movie theater gunman james holmes this morning. jurors are deciding between life in prison or the death penalty for holmes, who was convicted of killing 12 people. the decision for the death penalty must be unanimous. a landmark case in california involving a couple's emotional battle over frozen embryos. now divorced, the woman wants to keep the embryos, the man wants them destroyed. here now abc's brandi hitt. >> reporter: two years after mimi lee and steve finley's marriage unraveled, the former couple is now in an ugly legal battle over the fate of their

embryos, lee desperate to save them. >> my babies. and knowing that i'm their mom and i would do anything for them. >> reporter: in an exclusive abc news interview, lee says after she was diagnosed with breast cancer, the couple decided to create and preserve five embryos. >> it was critically important. >> reporter: but this signed consent form shows in the case of divorce, the embryos should be unfrozen and discarded. >> it's still an agreement. >> reporter: and in court, finley is asking the judge to order they be destroyed. thanks to medical advancements, hundreds of thousands of frozen embryos are preserved across the u.s. lee, now 46, says these five are her last chance to have children. with a june's decision expected in the next four months. steven finley told the court he's concerned his ex-wife would manipulate the situation to

extract money. but mimi lee says she's made it clear, she does not expect him to be a part of the children's lives physically or financially. reena and t.j.? >> brandi hitt for us. thank you so much. the coast guard announced a record drug bust off the coast of mexico. cameras were rolling as 20,000 pounds of cocaine were seized from a makeshift submarine. the drugs are valued at more than $180 million, making it the largest bust of its kind in coast guard history. four suspected smugglers were arrested. some sports stars in the headlines, including patrick kane of the chicago blackhawks in the middle of a sexual assault investigation. kain has played a big role helping the blackhawks win three championships in the last six years. reports say police near buffalo are looking into an alleged incident involving kane and a woman. it began in a bar last weekend. kane has not been charged. and swimming legend michael phelps says he's determined to stay sober until after next summer's olympics.

phelps is at the ongoing u.s. championship because he was banned from world championships as part of his punishment for a second drunk driving arrest. he says he's not touching alcohol until the rio games are done, adding that he actually may never drink again. well, here's a look at your weather. red flag warnings in northern california's fire zone within thunderstorms in the rockies. excessive heat warnings in the mid-south, stormy in the central plains, rain in minnesota, wisconsin and michigan, downpours in the mid-atlantic. >> 90s and triple digits from phoenix to denver and new orleans. 80s in portland, detroit and new york. 70s in boston and salt lake city. the north carolina cookie lady is locked up for fraud. police say vickie gaynor would go around town selling homemade cookies to help send her kids to church camp. the only problem, gaynor wasn't baking the cookies but buying them at walmart, and their kids, they never went to church camp. so, she was charged with forging a prescription to get a pain

medication filled earlier than prescribed. just in time for back to school, a government report says classes should start later than 8:30 a.m. that report claims that starting earlier than that makes it difficult for middle and high school students to get the sleep they need to be healthy. they find starting things later in the morning will help them avoid chronic sleep deprivation and exhaustion now that we know more about sleep and how important it is for kids. >> i've always felt that way, school started too early. >> what time -- it was always 8:00, right? >> no, in florida it was like 7:30. 7:25 was when the bell rang. >> get your butts out of bed anyway. >> what? we like to get our butts out of bed and watch "the flintstones" and then go into school. do they show "the flintstones" still? >> i don't know. there was a mystery of the world of classical music that's been solved in new york. at the center of it, a -- i've never heard this before, but a stradivarius violin. >> yes that violin was stolen

from its owner 35 years ago. get that? it wasn't seen again until this past june when a woman bought it -- brought it to an appraiser, actually. >> and that appraiser immediately recognized it as one of america's most wanted instruments, so she called the fbi. i wouldn't have thought to call the fbi, but she did. the woman brought it in, gave it up voluntarily and now it's back with its original owner's family. it's worth as much as $5 million! >> that's something. i wouldn't have known if i would have found it even, i wouldn't even know i shouldn't turn it in. >> you would have probably thrown it away or given it to the salvation army. >> it would have been cool, but i would not have known to appraise it. well, we've got "insomniac theater" coming your way. the return of "fantastic four." also, meryl streep is rockin'! the reviews are in. also, pointing fingers at 911 operators in the midwest city. who called for help and help was not sent. and later, a heartfelt tribute to peter jennings, gone now for ten years, but his legacy still right here. you're watching "world news now." sh sh sh sh

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a pennsylvania man is going old-school to help find a kidney donor for his wife. no social media for this guy. instead, he's relying on a homemade decal he put on to his pickup truck window. and you see it there. it says "wife needs a kidney, type "a" or "o,"" followed by his phone number. he spends a lot of time driving around. he and his wife hope maybe someone in the area will step forward and soon. turning now to the growing outrage over a stunning 911 call from gary, indiana. >> the plea for medical attention met with the operator telling the caller we can't help. abc's linsey davis with this story. >> reporter: a gary, indiana, 911 dispatcher disciplined for making a bad call in response to a call for help after a man passed out at a gym.

>> okay, we kind of are short on medics. >> reporter: but gary officials say right across the street firefighters were at the ready. >> the call did not officially go through the gary dispatch. and because of that, a unit was not sent. >> reporter: in that very same county just this past june, burt sanders died of a heart attack in his church several hours after the father of four called 911. paramedics responded, but when they found the doors locked, they left. across the country, egregious cases of 911 operators phoning it in. >> are you going to give me an ambulance? >> are you going to swear again, you [ bleep ]? >> reporter: dispatchers are under pressure, working long hours for about $36,000 a year. jeff hewitt calls the job unbearably stressful. >> nobody calls you on the best day of their life and says oh, great, thank you, 911. >> reporter: linsey davis, abc news, new york. >> it's a big issue now. there are so many people who believe these operators are trained. when you call 911, they'll

dispatch the right resources. >> they're supposed to calm you down. they're the stressful one. they're supposed to handle a stressful situation. a change is going to come because of it. >> the guy at the gym was okay. coming up, remember a titan of the news industry, peter jennings. a look back on his immense impact right here at abc and across the nation. you're watching "world news now." >> announcer: "world news now" continues after this from our

>> is this the place where we do the daily journalism thing for "world news now"? >> yes. >> okay. hi, this is the segment in the program -- oh, hold it, i forgot something. one thing i've always envied about those "world news now" people, they don't have to get dressed up like the rest of us. >> peter jennings showing his admiration of our show. the iconic leader of this network for so many years and the trusted voice for generations that we lost way too soon. >> it's hard to believe. it's actually been ten years since he passed now and today marks that ten-year anniversary. many of the anchors and reporters at this network were mentored by peter, including our own dan harris. he has this tribute now. >> announcer: from abc, this is "world news tonight" with peter jennings. >> good evening. >> reporter: like many aspiring journalists, i grew up wanting to be peter jennings. so worldly, so smooth with the 007 looks and the keen

intelligence that just pierced right through the screen. peter, who was actually a high school dropout, started as the anchor here on abc at age 26, but it didn't go so well. so, he went overseas to reinvent himself as a foreign correspondent. >> let's go to peter now. >> reporter: here he is at the munich olympics filing his now legendary live reports as israeli athletes were massacred by palestinian terrorists. >> most likely to narrow in on a group called black september. >> reporter: in the 1980s, peter returned to the anchor chair, leading abc's "world news tonight." signature moments included his 24 hours of anchoring at the turn of the millennium. and then there was his emotional moment during our marathon coverage of the terror attacks of september 11th. >> if you're a parent, you've got a kid in some other part of the country, call him up. >> reporter: his extraordinary career came to an end in 2005, however. >> i have learned in the last

couple of days that i have lung cancer. >> reporter: he never returned. for me, peter was perhaps the single most important influence of my professional life. this is us reporting together in iraq. there was no question that in person, peter could be tough and very intimidating, but he was a singular figure, a deeply serious and skeptical journalist, a broadcast icon, and someone i and many others here still dearly miss. >> and thinking of him after a night like last night after the republican debate, i couldn't help but wonder with the age of social media, what peter jennings would have done. would he have had a twitter account? would he have had instagram? what would he have thought about moderating a debate with all the social media. >> we forget sometimes, we come in and we're in the rat race. you forget sometimes what an honor it is to sit in these chairs and walk these same halls a guy like that did. i can't believe it's been ten years. >> he's a large part of the reason i got into journalism.

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see what i'm saying? acne won't last. but for now, let's be clear. clearasil works fast. ♪ all right, time for "insomniac theater" and a preview of two new movies at the box office. first up, a familiar face to the silver screen. >> we're talking about three-time oscar winner meryl streep in "ricki and the flash." she plays a rock and roll queen chasing the dream with her band on the road. after sacrificing everything for that dream, she returns home to make things right with her family. her real-life daughter plays her fictional daughter in the film packed with music. ♪ i'm a cold one but i'm happy ♪ takes a cold one to know one ♪ takes a cold woman to know one ♪ >> whose song is that?

>> it's mine. i wrote it. >> you wrote that? >> a long time ago. >> reviews for "ricki and the flash," they've been decent. matt pais of "redeye" says "the film tiptoes toward cliches and backs off searching for something better." the wrap calls it assemblage of almost characters in an almost story resulting in a very disappointing almost movie." >> my goodness. wow. we're going to turn now to the summer action blockbuster, "the fantastic four." it's been ten years since the last "fantastic four" movie was out. this one a lot different. famed marvel quartet of the mr. fantastic, the invisible woman, the human torch and thing having to again save the earth from the ultimate bad guy dr. doom. before they do that, they have to get their powers by traveling far, far away. >> all right, gentlemen. hands and feet must remain inside the ride at all times.

>> don't blow up. don't blow up. >> oh, yeah, that's what i want to hear before going into another dimension. >> five, four, three, two, one. >> well, reviews for this one have not been very good. well, duralde strikes again here, noting "so much time is spent putting the pieces on the board, there's barely any time to play with them." echoing that sentiment is todd mccarthy of the hollywood reporter says "fantastic four" feels like a 100-minute trailer for a movie that never happens." my goodness. what are we going to do this weekend? no movies to watch. >> you never know. you can go see them still. that's the news for this half hour. >> follow us on facebook wnnfans.com

this morning on "world news now," political fireworks during the first republican presidential debate. from chris christie and rand paul's heated exchange to donald trump admitting he won't rule out a third-party run. >> our leaders are stupid. our politicians are stupid. >> live coverage from cleveland and insight about the winners and losers. the state of the mind of the national movie theater attacker. investigators reveal what he was carrying while a heroic officer emerges. health alert. the legionnaires' outbreak in new york and other cities. why the feds are now taking action. and emotional farewell. saying good-bye to jon stewart and his nightly mix of news, politics and humor. what a tribute on this friday, august 7th. >> announcer: from abc news, this is "world news now" with t.j. holmes and reena ninan.

>> so? >> it delivered. >> it delivered? >> oh, it delivered. >> no disappointment here? >> not in the least bit. >> good! >> no, i was a happy man. >> you're such a nerd. i'm going to repeat that a couple of times. you get so hyped up over these political events. i love it. >> that's a badge of honor. i'm never accused of being smart, so thank you. all right? but this republican debate, boy, it was something to see. the first time the top ten candidates have shared a stage. >> most of the attention on the front-runner was donald trump who was literally in the center of the debate. so, did the donald live up to the hype? abc's karen travers joins us this morning live from cleveland. hey, karen, what a night! >> reporter: good morning, reena and t.j. this debate certainly lived up to its hype. it did not disappoint. it was feisty, it was heated, and it covered a wide range of policy issues. no surprise, donald trump commanding the spotlight every chance he could get. but for the most part, his opponents did not get down in the mud with him.

the fireworks started early. >> mr. trump -- >> i cannot say i have to respect the person that, if it's not me -- >> he's already hedging his bets because he's used to buying politicians. >> reporter: trump quickly put on the spot, asked to explain past comments that the fox moderator called disparaging against women, but no apology from the business mogul. >> i think the big problem this country has is being politically correct. >> reporter: the other contenders trying to bring the focus back to the issues. >> i'm pro-life. i've always been pro-life. >> reporter: illegal immigration a hot-button issue for gop voters and an area where this field has had differing opinions. >> a majority of the candidates on this stage have supported amnesty. i have never supported amnesty. >> i believe the great majority of people coming here illegally have no other option. they want to provide for their family, but we need to control our border. >> reporter: and a fiery debate between senator rand paul, an eye doctor, and new jersey governor chris christie, a former prosecutor, over government surveillance

programs. >> i want to collect more records from terrorists but less records from innocent americans. >> when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. >> you fundamentally misunderstand the bill of rights. >> for all the talk about donald trump and his place in the spotlight, the other nine candidates for the most part ignored him, opting not to engage him. but that didn't stop trump from getting in his digs. >> our leaders are stupid. >> reporter: one thing the entire field can agree on, hillary clinton. the republican candidates blasted the democratic front-runner, insisting they could take this country in a better direction. reena, t.j.? >> incredible. abc's karen travers, thank you so much for staying up with us this evening. we're going to come back to her in a bit, but our debate coverage continues now with abc's deputy political editor, shushannah walshe with some insight. what was your favorite moment?

>> it was really right out of the gate. and of course, it featured the donald. let's take a listen. >> i can totally make that pledge. if i'm the nominee, i will pledge i will not run as an independent, and i am discussing it with everybody, but i'm talking about a lot of leverage. we want to win, and we will win, but i want to win as the republican. i want to run as the republican nominee. >> of course, he was the only one on the stage that wouldn't promise not to run as a third party, as an independent candidate. now, that would tear apart the party and ensure a democratic, likely a hillary clinton, win, for sure. >> that kind of set the stage for me at the beginning. you know i was excited, because they set him up for that. you knew he was the only one. that question was for him. >> it made for great tv. >> absolutely, absolutely. >> i have to say i thought the folks at fox news did a great job of pointed questions direct in the beginning. it almost seemed like they hit each one in the achilles heel, bush with the family name, rubio with his

inexperience. >> and researched them to donald trump, especially when megyn kelly asked about his remarks about women. she had the comments behind her. >> what's the other big moment people will be talking about? >> i think that that brawl between chris christie and rand paul. really, it was a mini brawl. we know that on the stage, these are two men that don't like each other. they have a history of fighting over national security issues. but this time it got personal. here, let's listen. >> senator, you know, when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. when you're responsible for protecting the lives of the american people, then what you need to do is to make sure that you use the system the way that it's supposed to work. >> here's the problem, governor. you fundamentally misunderstand the bill of rights. every time you did a case, you got a warrant from a judge. i'm talking about searches without warrants, indiscriminately of all americans' records, and that's what i fought to end. >> wow.

>> t.j., what was your favorite moment? >> you know what, that was one of my least favorite moments right there. >> really? >> because they got nasty, they got a little personal. >> it did get personal. >> and that's a serious debate people have issues about. it's so funny, those two are like two blocks away from each other on the stage. but the exact opposite thing happened with john kasich, the governor of ohio, home field advantage, if you will. he was asked a question that was kind of meant to put him in a box, if you will, asked about what would you say to your children, how would you explain your position on same-sex marriage, if one of your children were gay. and this is how he came back. >> because somebody doesn't think the way i do doesn't mean that i can't care about them or can't love them. >> we need to remember that in this country. that's how our debates -- they don't take on that tone too often. we disagree, so we have to hate each other. i thought that was just a perfect way to handle that answer. >> it doesn't have to be vicious. even though you don't agree, it didn't have to be vicious. >> he wants to be a different kind of republican, and

that came across tonight. >> i loved his answer. >> okay. >> i have to say for me, it was probably the moment when they asked donald trump, when did you become a republican? >> when did you actually become a republican? >> i hate the concept of abortion. i hate the concept of abortion. and then since then, i've very much evolved. >> he didn't answer the question. >> he dodged that one. >> right. >> and that's sort of the thing. he may be the front-runner right now in the polls, but is he going to have the momentum to where republicans across america would support him right now? >> well, we have to remember, it's still early and celebrity and name recognition is a big part of this right now. >> but he didn't hurt himself tonight, a lot of people would tell you. >> i think so. >> moving on, what is the takeaway going to be? is there going to be a moment that people remember? we had no game-changer tonight, necessarily. >> i think that people will remember that first question that he's not going to support the republican party. it was the gop debate. >> shushannah, abc news deputy political director shushannah walshe. always good. it's been a while. >> it has. >> a new mom, so welcome back! >> thank you.

>> threw right into the fire. >> there was some fire tonight. wasn't it? our debate coverage continues in our next half hour as we take you live once again to cleveland again. thank you, shushannah, so much for being here with us. coming up, we have more of our top stories. later in "the mix," the major retailer selling toys that do something that you don't necessarily want your kids to be -- >> it's called twerking. >> i didn't want to have to go from the republicans to twerking. >> but we did. we did that transition. but we go on to "the daily show." jon stewart no more! highlights from his final show last night. it was an emotional tribute. but first, a health alert here in new york and other major cities. why the feds are moving in to investigate legionnaires' disease. >> find us on facebook wnnfans.com and twitter @abcwnn. you're watching abc news "world news now." ow." he thinks it smells fine, but his wife smells this... luckily for all your hard-to-wash fabrics

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look at this. huge fire that erupted when a gas line exploded in northern colorado yesterday afternoon. flames and smoke could be seen for miles. fire burned for hours. no injuries reported, though. investigators say the fire and rupture now under control. also in colorado, southwest of that explosion, environmental clean-up crews accidentally triggered a spill of about 1 million gallons of mine waste. that went into a creek. it created a stream of mustard-colored muck. the epa says that muck is made up of a heavy metal and soil. the impact on fish and wildlife still unclear. want to turn now to nashville, where new details are emerging about the terror that

unfolded this week inside a movie theater. after vincente montano attacked a family with pepper spray and a hatchet, he cracked open a canister of propane. police say he also had lighter fluid, likely attempting to set off a bomb, but he was stopped in his tracks by an officer after pulling out a pellet gun that looked real. >> immediately upon entering the theater, i was engaged with what i perceived to be small arms fire from a small-caliber handgun. i turned to my right, and all i could see was the silhouette of a figure. i engaged that figure with one shot with my patrol rifle and immediately backed out. >> montano was shot dead. he was homeless after struggling with mental illness, said to be angry, delusional and hearing voices. deliberations resume this morning in colorado over the fate of theater gunman james holmes. jurors got the case yesterday after closing arguments. they've already rejected holmes' insanity defense and convicted him of murdering 12 people at

that theater. well, another death from legionnaires' disease. the victim a 53-year-old woman in cleveland. she had been hospitalized for two weeks. >> and here in new york, the death toll from legionnaires' is up. and the cdc is now investigating. abc's gio benitez reports. >> reporter: america's largest city on alert for legionnaires' disease. >> we've never seen an outbreak like this. >> reporter: officials have been saying they have it under control, calling in the cdc with that rising number of cases, now 100 infected and 10 dead. the disease a type of severe pneumonia caused by breathing in water vapor that contains the legionella bacteria. five cooling towers in the bronx testing positive for it. our dr. richard besser climbed to the top of a tower to show how bacteria spreads. >> it's shot out of these giant fans into the air. if it's contaminated with legionella, it could travel for as far as seven miles. >> reporter: the city's health commissioner ordering all building owners to test and clean their cooling towers within 14 days or face a

misdemeanor. the disease is not linked to water towers like these that store tap water or to home window or central air conditioners like these. the people who died all had other health issues, as well. but the scary part is that everyone who contracted this disease got it by just breathing in the air in this neighborhood. gio benitez, abc news, new york. >> you know how they got the name legionnaires'? >> this was an interesting factoid i did not know. >> from 1976. apparently, the american legion convention in philadelphia where 34 people died. that's where it came from. >> nasty stuff. they need to get this under control. a lot of people fearful in new york city. coming up here, we've got an emotional good-bye. jon stewart's last show and the parade of talent bidding "the daily show" host farewell. signing off in his signature style with a final lesson for his fans. ahead in our next half hour, teens texting while driving. a new study that says teens are feeling pressure to text from behind the wheel. it comes from a surprising

source. you're watching "world news now." >> announcer: "world news now" continues after this from our abc stations.

the best defense against bull [ expletive ] is vigilance. so if you smell something, say something. >> come on. i can't believe it's over. i can't believe it's over. >> perfect. this guy has been something else

in this industry. oh, my goodness. >> those are his parting plea on his final episode of "the daily show" last night. over the years, he's used his unique voice to call out the injustices of the world. >> yeah, the way he's been able to combine comedy and journalism has changed the game. abc's marci gonzalez looks at stewart's legacy. >> announcer: this is "the daily show with jon stewart." ♪ >> i've got big news! this is it! this is the final episode! >> reporter: 16 years after his first wisecrack as host of "the daily show" -- >> welcome, welcome to "the daily show." craig kilborn is on assignment in kuala lumpur. >> reporter: jon stewart signing off for the last time. >> you can't possibly leave without saying good-bye to your sam. [ laughter ] >> reporter: fans lining up outside of the comedy central show's studio in new york for hours just to be there for the final taping. >> do you have any idea the trail of hate that you've left

behind? roll 212! >> reporter: the comedian known for relentlessly targeting politicians. >> i'll never forget you jon, but i will be trying. >> and just when i'm running for president. what a bummer. >> reporter: and mocking the media, especially fox news. >> have fun feeding your rabbits, quitter. >> reporter: stepping away, he says, to spend more time with his family. >> i want to thank my wife, tracey, and my kids, nate and maggie. i'm not going to look over there. for teaching me what joy looks like. >> reporter: stewart interviewed everyone from fellow actors to world leaders. >> i can't believe that you're leaving before me! >> reporter: he helped launch the fame of straight-faced stars including steve carell, john oliver and stephen colbert. >> aloha, jon. >> reporter: the 52-year-old's incites at times cutting and often controversial, but to his loyal fans bringing a unique and

hilarious perspective that can't be replaced. >> that's our show. i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it. and so, here it is, my moment of zen. >> reporter: marci gonzalez, abc news, new york. >> it must have been emotional. >> yeah. he held it together, though, pretty well. >> yeah. when you're hanging up a show, and you know, it's your last day, it must be tough. >> it's got to be tough. but he did well. but you know what he did? both you and i, with were at cable, you at fox, me at cnn. but this is how influential he was. it became a part of your routine to say i don't want to make it on to "the daily show." you don't want to screw up. >> do you want to know a little bit of jon stewart abc trivia? in 2000, i guess a few months after he started his show, i was a runner, which is like the lone intern, at, i think it was the democratic convention for abc, and he was there shadowing peter jennings. >> wow. >> because he wanted to see --

and nobody, of course, knew sort of the impact he would have on us in return. and ironically, i wish i had shadowed him before that. >> then you wouldn't have to be sitting here next to me, huh? >> they probably wouldn't have let me into the door. and you know, to celebrate here, we, of course, got a cake. this is the remnants of what's left of our cake. >> oh, yeah. going to miss you, jon. >> we're going to miss you. >> it's great. we tore that thing up, didn't we? >> we tore it up, which is a sign of our affection for you and for chocolate, all in one. all right, folks, we've got "the mix" and the friday polka. >> yeah, friday polka, of course! >> we've got a good polka today? >> of course. we always have a good polka. people look forward to the polka. >> i'm looking forward to the polka. i've got a great sign for you today, too. >> you do? >> stay with us, folks. >> i'm curious. >> stay with us, folks. >> i'm curious. stay with us, folks. >> you do? i'm curious. today. stay with us, folks. >> you do? i'm curious.

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time now for "the mix." a lot of people multitask, right? >> of course, we all do. >> especially when there's lots of things to do. you've got to balance child care. this guy in london took it to a new level on the tube. it's a tube strike. you see, he's got a baby strapped on to his chest. he's got one of those music work stations. you see it's got like a laptop and a keyboard, the baby strapped to his chest. people on the train weren't sure why he needed to set up this emergency travel desk situation. and he was so into his work, he's kind of oblivious as to why people were checking him out and wondering what he was up to. >> is it necessary? >> that's what people are asking. >> is it really necessary? he got some work done, i guess, right? and the baby's there. >> he's there. >> it's kind of impressive. >> daycare and work all in one. we've got a toy for that

baby, though. you all, i just want you to look at the video and listen opinion i'm not going to give it away. just watch this toy. ♪ >> oh, boy. >> yes, somebody saw this at walmart. a twerking toy. should a toy be twerking to "bow-wow wow yippy yo yippy yay"? you can get one, too, for only $19.95. >> polka! >> time for the polka. >> polka, polka. ♪ politics and foreign wars all the weather all the scores ♪ ♪ that's the world news polka ♪ business news from tokyo stuff you saw on koppel's show ♪ ♪ that's the world news polka ♪ it's late at night you're wide awake and you're not wearing pants ♪ ♪ so grab your "world news now" mug and everybody dance hey ♪ ♪ have some fun be a pal every anchor guy and gal ♪ ♪ do the world news polka >> let's hear it!

♪ >> what is it? ♪ that's the world news polka ♪ that's the world news polka ♪ who cares what the network thinks or the sponsors too ♪ ♪ and if your neighbors call the cops here's all you have to do ♪ ♪ when they yell it's half past three, tell them, hey, it's news to me ♪ that's the world news polka ♪ ♪ they make us work the graveyard shift that's why we go for broke ♪ ♪ so why not tune in to abc and join our little joke ♪ ♪ five days every week we're here with our tongue in cheek ♪ ♪ that's the world news polka ♪ do the world news polka >> yeah! thank you! thank you! >> thank you.

this morning on "world news now," political bombshell. just moments into last night's republican debate, the jaw-dropping admission from front-runner donald trump. we're live in cleveland with extended coverage. confusion and frustration as more debris, possibly from malaysia airlines flight 370, washes up on shore. the difficult news for passengers' families. driving distracted. the disturbing, new study about who may be pressuring teen drivers to text while behind the wheel. the safety alert. and later in "the skinny," saying good-bye to jon stewart on "the daily show." the unforgettable moments from his final broadcast. it's friday, august 7th. >> announcer: from abc news, this is "world news now" with t.j. holmes and reena ninan. oh, they've got to get back

out on the campaign trail, the republican presidential candidates, all 17 of them now, after last night's big debate. >> most of the focus was on the man at the top of the polls in the middle of the stage, donald trump, who is getting slammed for his comments about women. abc's dan harris has more. >> reporter: right from the jump, donald trump made waves. >> is there anyone on stage, and can i see hands, who is unwilling tonight to pledge your support to the eventual nominee of the republican party and pledge to not run an independent campaign against that person? mr. trump? >> i cannot say i can totally make that pledge. if i'm the nominee, i will pledge i will not run as an independent. >> reporter: a few other candidates said a few other things, and then 21 minutes in, it was back to trump for another doozy. >> you've called women you don't like fat pigs, dogs, slobs, and

disgusting animals. your twitter account -- >> only rosie o'donnell. i think the big oblem this country has is being politically correct. >> moments later, rosie herself weighed in on twitter, "try explaining that to your kids." the testiest moment of the night didn't involve trump, but instead, new jersey governor chris christie and kentucky senator rand paul. it was over the nsa's bulk data collection, which christie supports and paul does not. >> i want to collect more records from terrorists but less records from innocent americans. >> when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. >> you fundamentally misunderstand the bill of rights. >> reporter: to be sure there was plenty of hillary clinton bashing -- >> if hillary is the candidate, which i doubt, that would be a dream come true. >> if i'm our nominee, how is hillary clinton going to lecture me about living paycheck to paycheck? >> everywhere in the world that hillary clinton touched is more messed up today than before she and -- >> we have more questions to come. >> reporter: here in the same

arena in cleveland where the republican party will hold its national convention next year. but perhaps the most bizarre riff on hillary came from the donald, who talked about why he contributed to her in the past. >> with hillary clinton, i said be at my wedding, and she came to my wedding. you know why? she had no choice! >> reporter: dan harris, abc news, new york. >> ooh. >> what a night. >> that was -- >> been looking forward to that for a long time. >> hillary, by the way, the only thing she tweeted back was about jon stewart leaving, saying she was sorry that he's going. >> so, she didn't engage. but i give fox news credit for building this thing up over weeks and even months. >> yes, they did their homework, didn't they? >> you know what? it was like we were all waiting for march madness, the selection show. who is it that's going to make the cut to be on stage. and they just built up so much excitement. so, i give them credit for this excitement. our karen travers is there in cleveland, continues our coverage now. we heard what he had to say on the stage before the debate now.

he was trying to downplay expectations. so, after the debate now, what was trump saying? >> reporter: t.j., some hurt feelings for donald trump. a little surprising afterwards. he was in the spin room saying that he felt that fox was too hard on him. in particular, he said megyn kelly's questions for him were just tougher than she was on any of the other candidates. of course, donald trump being donald trump, he said everybody's telling me this, that i had the toughest time tonight. but you know, donald trump says he didn't prep for this. he says he's not a debater. he's prepared for anything. one republican tweeting tonight, saying, you know, if donald trump says he can take on china, he should be able to take on three moderators from fox news. >> oh, interesting. a lot of people say you've really got to the prepare to have vision in mind. but i want to talk to you about number two and number three in the polls, jeb bush and scott walker. how did they deliver tonight? >> reporter: they really didn't do much to set themselves apart.

you call it a draw, really. jeb bush second or third in the polls, scott walker the same. they were right next to donald trump. and that's a tough position to be in, reena, because if you're going to get it from donald trump, you're also going to get it from the other sides. and i think that was one thing that was interesting last night, the candidates did not seem to want to give donald trump attention, so they turned on the other front-runners that they wanted to bring down, and that meant that they were getting a lot of attention. but you know, just not really a format for both of them to shine. not their best night. >> well, karen, thank you so much, reporting live for us from cleveland. thanks for staying up with us, karen. >> reporter: thanks. >> stay with abc news for more reaction to the republican debate. look for more coverage on "america this morning" and in-depth analysis on abcnews.com. turning now to the malaysian airlines passenger jet. confusion and frustration this morning over more debris washing ashore on the same french island where that wing flap was found. we get the latest from abc's david wright.

>> reporter: bits and pieces found on reunion island. could this be the frame of an airplane window? malaysia's transport minister thinks so. >> all these need to be very fine. >> reporter: french investigators would have to determine if it could be a boeing 777 part. >> once you find the first piece, you start finding others. >> reporter: one former ntsb investigator says after a year and a half in an ocean-sized washing machine, debris could turn up in mauritius, mozambique and madagascar, too. >> these parts have had 500 days to move around. pieces move around at different rates depending how much is exposed to winds and whatever. >> reporter: the families crave a straight answer. >> the whole 17 months has been horrible. it's been handled appallingly and continues to be handled appallingly. >> reporter: in beijing, frustrations boiled over outside malaysian airlines' office. the right answers are in everyone's interest. the french military will deploy

a search plane, a helicopter and boats around reunion island, hoping to spot more debris. it is hard to put together a jigsaw puzzle when you have only one piece. david wright, abc news, paris. russian hackers are thought to be behind a cyber attack on the joint chiefs of staff. the hack affected about 2,500 people on the pentagon's joint staff, including war planners and decision-makers. pentagon officials say it was sophisticated yet simple. it was a phishing attack, meaning the hackers dummied up either an e-mail or a login that looked so real that a member of the staff was fooled. taiwan bracing for what's expected to be a direct hit from a powerful typhoon over next day. the storm will bring damaging wind, flooding rain and powerful surf to the island before moving toward china. the obama administration is sending federal aid to the already hard-hit island of saipan. it's a u.s. commonwealth declared a disaster area. there's no power or running water there since the storm hit

sunday. and in northern california, firings are facing a new challenge now that red flag warnings are in effect. governor jerry brown visited crews on the front lines. he warned this is only the beginning for the drought-ravaged state, noting that historically, august and september are much worse than july during fire season. we look at the friday forecast, and in addition to the windy weather in northern california, showers and storms hit the rockies in the afternoon. heat warnings posted in dallas, little rock and oklahoma city. showers in the western great lakes. heavy rain in washington, d.c. and richmond. >> 70s in l.a., boston and salt lake city, 80s in chicago, new york and seattle. 90s denver, kansas city and memphis and triple digits in phoenix and dallas. an investigation into the crash of a plane flown by actor harrison ford reveals the engine failed because of a carburetor problem. ford reported engine failure about 1,100 feet, then struck a tree on his way to landing on a california golf course. the ntsb's report on the march accident found an improperly

installed shoulder harness contributed to ford's injuries. the airlines always get harsh criticism about all the fees they charge. in a new report issued on capitol hill, it urges that the transportation department crack down on carriers charging unfair or hidden fees for checked bags, seat assignments and ticket changes. whoo-hoo, says, that's the voice of the passenger. and it accuses the industry of having no justification for bag fees, other than to increase profits. it recommends those bag fees be tied to costs that actually are incurred by the airlines. a lot of people frustrated by that one. >> yeah. let's go to chicago. chicago river? >> yeah. >> known for a lot of things. it serves as a backdrop. runners cross it is several times each october in the marathon there. then of course, it's dyed green for st. patrick's day. >> then there's this. the annual rubber ducky derby, what you see there, the yellow, more than 57,000 yellow rubber duckies dumped in the river yesterday to compete in the event. >> all of them were adopted by

people who made a donation to the illinois special olympics. initial indications are the charity raised about $350,000. >> it's the tenth annual one, so good luck to them. >> that's an interesting shot. >> i like that. i always look forward to it, because i think it's a cool image. coming up in "the skinny," the return of the spice girls going on tour, but somebody's missing. also ahead, saying good-bye to jon stewart. who's paying tribute to the comic who had a view of the world's events like no one else did. but first, teens who feel pressure to text behind the wheel. it may surprise you who's pressuring them. you're watching "world news now." >> announcer: "world news now" weather brought to you by oral b. o you by oral b. i asked my dentist if an electric toothbrush was going to clean better than a manual. he said sure... but don't get just any one. get one inspired by dentists. with a round brush head. go pro with oral-b. oral-b's rounded brush head cups your teeth to break up plaque,

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texting while driving is claiming more lives every year and too many of them teenagers keeping their eyes on their phones instead of the road. >> but a surprising, new study is placing much of the blame on parents. abc's gio benitez explains. >> think about what am i doing right now? >> reporter: we've seen the in-your-face public service announcements. >> this is so easy. >> reporter: they're difficult to watch. teens losing their lives texting while driving. but the advocacy group students against destructive decisions says that teens aren't just texting behind the wheel for fun. they're feeling pressured by their parents. >> it's incredibly dangerous. >> reporter: according to sadd, more than 800 teens reported texting while driving to update their parents. nearly a quarter of them said they thought their parents expect a text response within five minutes. >> young people in particular have a lack of driving

experience. >> reporter: sadd says most parents they surveyed don't have any set expectations on when their kids should respond to their texts. >> they expect their parents to want a message back from them almost immediately. >> reporter: the issue is real. we've seen those accidents before. just take a look at this teen looking at her phone for six seconds before losing control and careening off the road. >> tell your kids to put their phones away while they're driving, and most importantly, parents, lead by example. >> reporter: gio benitez, abc news, new york. >> the other reason they say that kids text while driving is a thing called faux mo, a feeling of missing out, like something's going to happen in a second or two and then you're not going to be able to follow it up. >> do you feel that? when your phone goes off and you don't check, like, what is that? >> you hear that ding or something? >> yes. >> it's like this compulsive reaction, like, i've got to check it. >> got to see what it is. >> i've said this many times, i actually put my phone inside the glove compartment of my car because i don't trust myself. >> that's why i can never get a hold of you.

>> yeah, well, for other reasons sometimes i don't respond. coming up, all the highlights from jon stewart's final "daily show." >> who gave the most heartfelt tribute, and the spice girl not making a comeback. that's next in "the skinny." just kidding, i always pick up the phone. >> announcer: "world news now" continues after this from our abc stations.

♪ skinny so skinny

it's over, folks. it's over. it's the end of an era. "the daily show with jon stewart" is no more. >> an incredible 16-year run, transformed media, politics and, of course, comedy. last night's final show was a great reminder of his impact. >> yeah, got the parade of talent, notable figures that came through to send stewart off, a testament to his influence. he's been quick to shrug off responsibility for launching so many careers, but his old pal, stephen colbert, would not let him get off that easy. >> you were infuriatingly good at your job, okay? all of us, all of us who were lucky enough to work with you -- and you can edit this out later -- all of us who were lucky enough to work with you for 16 years are better at our jobs because we got to watch you do yours. and we are better people for having know you. >> wow. >> you are a great artist -- >> he looks genuinely touched and emotional, right?

"infuriatingly good," that was a good line. in true gentleman fashion, stewart praised his staff and crew with a behind-the-scenes look at his "daily show" family. >> it was a scorsesesque tribute followed by some words by stewart on what he's been best at, calling people out, delivered with his signature satire. listen to this. >> we can't do anything because we don't yet know everything. we cannot take action on climate change until everyone in the world agrees gay marriage vaccines won't cause our children to marry goats who are going to come for our guns. >> then, of course, time for him to say good-bye, but he had an important reminder. >> this show isn't ending. we're merely taking a small pause in the conversation, a conversation which, by the way, i have hogged, and i apologize for that. rather than saying good-bye or goodnight, i'm just going to say i'm going to go get a drink, and i'm sure i'll see you guys before i leave. so, that's our show.

i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it, and so, here it is, my moment of zen. ♪ >> and who better to send off a boy from new jersey than the boss himself, bruce springsteen? hey, that's a well-deserved moment of zen. >> stewart said the show is going to continue. his successor south african comedian trevor noah. he starts up on september 28th. curious to see that. we've got a little break for us all to get over jon stewart leaving. >> but he said he's just going to take a pause, so i assume he's going to come back. >> we're going to see, what was it, the movie he directed? maybe he wants to get into more stuff like that. we'll see him plenty. moving on to spice girls and reports that the girl power will be in full swing next year. the british pop powerhouse group broke on to the scene in 1996. and according to "the sun" newspaper of london, they're planning a 20th anniversary tour. >> but posh spice, that's victoria beckham, will not be along for the ride, reportedly passing up the party to take

care of her family and focus on her fashion line. if the tour does indeed happen with the other four spice ladies, they will likely do very well, as they are the the best selling girl group of all time. >> absolutely. and congratulations goes out to jennifer aniston and justin theroux. hollywood power couple now a married couple. the two tied the knot in an intimate wedding ceremony on wednesday at their bel air home. >> they made it official after a three-year engagement. now they're heading off on their honeymoon, boarded a private jet reportedly heading to bora bora with some friends. so, congrats to them. finally, she probably doesn't appreciate us doing the story right after that about her ex, brad pitt sharing the screen with his current wife, angelina jolie, for the first time now in ten years. >> angelina's first movie "mr. and mrs. smith" is widely reported to be the cause of the divorce from aniston. and in an ironic twist, the pitts' second movie together seems to center on marital troubles. >> the trailer for the movie "by

the sea" just released, looks more serious than the previous collaboration. the new film due out in november. coming up, "friday rewind." stick around. stick around. offer us today? ♪balance transfer that's my game♪ ♪bank you never heard of, that's my name♪ "by the sea" due out in november. coming up, "friday rewind." stick around. watch me make your interest rate... disappear. there's gotta be a better way to find the right card. whatever kind you're searching for, creditcards.com lets you compare hundreds of cards to find the one that's right for you. just search, compare, and apply at creditcards.com. ♪a one, a two, a three percent cash back♪

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from the worlds #1. olay. your best beautiful. ♪ so, finally this half hour, it's time for our weekly feature heralding the weekend, or that weekend is once again upon us, yes. >> you're ready for the weekend, aren't you? >> i am. clearly, i need my weekend. i need to work on my english. >> dog days of summer are here but the news doesn't stop. here's a look at the week's biggest headlines in our "friday rewind." >> all of a sudden, it just went completely dark inside, and we see the circus people are starting to leave the tent, and somebody's screaming "get out, get out, get out!" >> i was trying to get out and i was running and i slipped. and then that's when the pole hit me on the head. >> we've never seen a fire like this. >> doomsday, that's what it looked like. >> this is the first time that i'm really feeling afraid that i

could lose my house. >> there is no risk to our water supply from legionnaires' disease. >> you go from, like i said, a migraine to a headache and can't breathe and your lungs shut off. >> we heard screams, we assumed because "insidious" was showing in a theater nearby. we're like, that must be a scary movie. >> he was armed with a hatchet and armed with a weapon that strongly resembles a semiautomatic pistol. but as we know now after examination, it is an airsoft gun. >> enough is enough, to mass shootings in our schools, our college campuses, our military bases and even in our movie theaters. >> so, let's not mince words. the choice we face is ultimately between diplomacy or some form of war. maybe not tomorrow, maybe not three months from now, but soon. >> i'm not sure we need $500 million for women's health issues.

>> now, he's got no problem giving billions of dollars away to the super wealthy and powerful corporations, but i guess women's health just isn't a priority for him. >> he'd want us to go out there and he'd always say before a game, have fun and play hard. >> that's our show. i thank you so much for the privilege of being able to perform it for you, for the privilege of being able to do it. and so, here it is, my moment of zen. >> thanks for everything, jon. we wish you happy and safe travels. ♪ >> what a week. >> what a week. it really was. >> we wrap up with the gop debate and jon stewart saying good-bye. >> yeah. >> all right. don't miss our updates, facebook, wnnfans.com. >> coming up, more news from abc. >> announcer: this is abc's "world news now," informing insomniacs for two decades. r two decades.

making news in america this morning, presidential debate. a showdown featuring ten republican hopefuls. >> mr. trump. >> donald trump making waves right off the bat. >> you've called women you don't like fat pigs, dogs, slobs and disgusting animals. >> only rosie o'donnell. >> a night with a contentious tone and heated exchanges. >> when you're sitting in a subcommittee just blowing hot air about this, you can say things like that. >> here's the problem, governor. here's the problem, governor. >> president obama and hillary clinton getting most of the criticism from the gop stage. >> if i'm our nominee, how is hillary clinton going to lecture me about living paycheck to paycheck? >> barack obama became president and he abandoned iraq. >> this morning, the analysis,