this morning on "world news now," political drama on super tuesday. >> from the secret service take-down of a journalist at a donald trump event to the campaign direction hillary clinton is now heading. as voters in 12 states go to the polls. cafeteria gunfire. the teenager accused of shooting two students at school. the frightening scene and how the drama ended. tearful testimony. sportscaster and "dancing with the stars" host erin andrews on the stand answering difficult questions reliving a humiliating ordeal. and a health alert about lack of sleep and your eating habits. could insomnia be linked to the munchies. what new research reveals on this tuesday, march 1st. >> announcer: from abc news, this is

>> that's sort of like could pot lead to the munchies. >> who sponsored that research. >> we needed to get part of that research. we'll defrl into that later. happy super tuesday. >> to you, too. >> yes, it is tuesday. march 1st. a super sized one. we begin this half hour, of course, with the biggest day at the polls before the general election. >> voters in 12 states cast their ballots on this super tuesday. seven of them are southern states including texas, the biggest prize. more than 1600 delegates are up for grabs. no candidate can wrap up the nomination today. but the front-runner coz emerge virtually unstoppable. >> a new poll shows donald trump and hillary clinton far ahead of their rivals. >> nearly 50% of republicans are backing trump. leave agmarco rube would he and ted cruz by more than 30 points and hillary clinton hits 595% among democrats compared to 38% for bernie sanders. abc's marci gonzalez has the latest from austin, texas. morning to you, marci. >> good morning, kendis and reen

it was a busy and eventful day on the campaign trail ahead of what is so the to be a defining day in the race for the white house. just hours before super tuesday voting begins, last minute rallies and tension. protesters sburpting a donald trump event chanting black lives matter. >> get them out of here, please. >> reporter: and as they left, a photographer thrown to the ground by a secret service agent. trump making no mention of that or of the controversy sparked by these comments on cnn about his endorsement from former ku klux klan grand wids david duke. >> would you say unequivocally you condemn him and you don't want their support. >> well, i have to look at the group. i mean, i don't know what group you're talking about. >> reporter: trump later explained he didn't hear the question knowing he had disavowed duke but it isn't stopping the attacks from his opponents. >> i don't care how bad the earpiece is,

through clearly and he refuses to criticize it. >> we should all be united in saying that the klan is reprehensible. and has no place in politics. >> reporter: democratic front-runner hillary clinton hoping to solidify her lead. already looking beyond bernie sanders now targeting trump. >> i don't think america has ever stopped being great. what we need to do now is make america whole. >> reporter: but trump is polling behind here in texas where senator ted cruz is counting on his stuns to bring him a much needed win. kendis and reen fla. >> marci, thank you for that report from austin. stay with abc news all day for super tuesday coverage. our political team will be here tonight at 10:00 eastern with the very latest and be sure to tune in to "world news now" tomorrow morning for the latest results. and on the eve of super tuesday, the state department released its final batch of hillary clinton's e-mails while she was secretary of state. that brings the total to more than 52

including 2100 that were censored or withheld completely for con dayning information now deemed classified. no e-mails she wrote or seened were marked as classified at the time of transmission which clinton has cited in her own defense. >> there's a new development ahead of the congressional investigation into benghazi. the house committee today interviews an eyewitness to the september of 2012 attack. that person is identified only as being from the national security community. the u.s. ambassador and three others were killed in that attack. the committee is looking into how hillary clinton led state department and handled that situation. the u.s. military is now using cyberweapons against isis. the new unit is trying to disrupt the terror group's ability to communicate, control its forces and manage its finances. defense secretary ash carter says the effort is already paying off although he wouldn't provide much details about it. no other country has

acknowledged an effort like there. chalk up a legal victory for apple in 80s case against the government. a judge ruled they cannot be compelled to help the fbi unlock an iphone. the judge found no far on how far the government would go to require companies to -- the justice department said it would appeal the ruling. that ruling has no effect on the battle involving apple and the fbi when it comes to unlocking the iphone of one of the san bernardino bombers. apple's top lawyer will testify about that very case today and expected to maintain apple's position creating special be software would endanger i pone users everywhere. this morning, puzzling new details about the boston bombers. the older brother passed a u.s. citizenship test just months before the attack. the information is in heavily edited

released to the boston globe which did not say why tsarnaev was not recommended for citizenship. the bombing killed three people. >> an ohio teenager is expected to appear in juvie court this morning charged with two counts of attempted murder. police say he opened fire in his school cafeteria. alex perez has the story. >> reporter: ohio investigators hunting for answers. >> he just pulled out his gun and started shooting. >> reporter: after lunchtime turned to horror today at madison high school outside cincinnati. authorities say a 14-year-old boy, a student at the school, allegedly stormed into the cafeteria, armed with a .38 caliber pistol, and opened fire. >> the first shot went, and then it kind of paused for five seconds, and then bang, bang, bang. >> reporter: two students struck by bullets. another two injured by shrapnel. police say, moments after, the teenaged gunman took off on foot, but officers quickly capturing the suspect. >> he was apprehended up on top of the hill, it appears still on school grounds.

>> reporter: the attack sending this community into a panic. frantic parents gathering at a nearby gas station as authorities secured the school. investigators now working to determine a motive. and the 14-year-old suspect has been charged as a juvenile, with two counts of attempted murder. authorities say the victims are very lucky. none of the injuries are life threatening. alex perez, abc news, chicago. and happening overseas a cardinal has become the highest ranking official to testify about sex abuse in the catholic church. australian cardinal gorge pell is the pope's top financial advisor. this morning, completely was testifying via satellite before an australian commission looking into child sexual abuse. he was asked about the abuse by the country's most notorious pedophile priest one priest who was transferred from parish to parish. allegedly to cover up abuse. he accepted no responsibility for the abuse during the '70s. instead, he

clergy man. >> "dancing with the stars" host erin andrews broke down on the witness stand during her lawsuit against a nashville hotel. she was vitio taped while changing her clothes at the hotel. that video went viral. she described in court the moment she first saw it. >> you know your body. i saw it for two seconds and i was like oh, my god. and i shut it down. >> andrews went on to say she became all but dysfunctional for several months after the video went online and wants $75 million from the hotel which she says made it easier for the stalker. he was convicted and served 20 months in prison. the controversial contraceptive e sure will be given the fda's most serious warning but won't be pulled from the market. it has drawn chouzs of xrants from women who said the pain and bleeding they suffered was so severe they required surgery to remove the device. the fda is

manufacturer bayer to conduct studies of the device to further assess rick in different groups of women. and news about another controversial product for women. a new study finds that women taking the femalely bib doe addy got one additional satisfying sexual experience due to the medicine. researchers concluded the benefits of taking addi weren't worth it. >> well, if you're awake at this hour, this may be a reason why you're gaining weight. >> what? >> a new study says sleep deprivation increases appetite, encourages overseating. the test subjects had more munger hormones and eta more snacks. and researchers say that the study is too small to be conclusive but more evidence is needed on the importance of getting enough sleep. is it really needed? no, we know. >> what, the study. >> we need to sleep. >> there's a reason we're craving doritos at this

>> we crave doritos, i took a butter finger from david muir's office. >> is that where the stash is? 15 months and i just find this out. >> it's not a big stash at this hour. a couple guys in kansas city celebrated yesterday's leap day by taking quite a leap of their own. they leaped right out of or leapt, what is it leapt? out of a helicopter about 5,000 feet up. >> that's not all. that's not all that high really for sky diving but they had things under control because of the members of the red bull air force are sky diving and landed at the national world rld war ii museum and memorial. >> quite a way to use the year's only extra day. i'd say. >> i would never sky dive. remember george h.w. bush was very big on his big birthdays would sky dive? not my thing. >> look how long he's lived. it's a key to longevity maybe. >> coming up "in the mix" pares

braces for their kids. now find out why a dog is heading to the or though done activity. >> the military legend given the medal of honor. the heroics that led up to a hero's unforgettable visit to the white house. >> and remembering the rookie police officer police officer killed on her first day on the job. >> be sure to follow us on facebook and twitter at wnn fans. you're watching "world news now." the lawn, put up all the decorations. i thought i got everything. almost everything! you know, 1 in 10 houses could get hit by a septic disaster, and a bill of up to $13,000. but for only $7 a month, rid-x is scientifically proven to break down waste, helping you avoid a septic disaster. rid-x. the #1 brand used by septic professionals in their own tanks. that lasts for twelve hours? try delsym® twelve hour cough liquid.

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a pedestrian is dead after the latest street racing crash in the los angeles area. the two drivers were going close to 100 miles an hour. when a third vehicle tried to make a left turn in front of them. the cars crashed and spun out of control. hitting a man standing on the corner. the two racers have been arrested and charged with vehicular manslaughter. a virginia man is expected to plead guilty tomorrow in two high profile abduction and murder cases. jesse matthew junior is charged with killing 18-year-old university of virginia student hannah graham and linked by dna to the murder of virginia tech student morgan harrington. the plea agreement will apparently spare matthew the death penalty. >> also in virginia a funeral service will be held today for that 28-year-old police officer who was shot to death on her first day on the streets. >> scores of people lined the route on which the body of officer ashley gwen done was transported last night accompanied by dozens of police

it came as her accused killer faced a judge for the first time. elizabeth hur has the late jest. >> reporter: ronald hamilton arraigned twice on two murder charges remains in squlal held without bond supply just want to be clear, do we have officers involved in a shooting? >> we have three officers that have been shot. >> reporter: accord doing authorities, the three officers shot were responding to a 911 call reporting domestic abuse in prince william county, virginia. officer ashley guindon killed in the line of duty out on her first street patrol saturday. >> couldn't be any worst case than this in my opinion for a police officer, i always call there an officer's worst nightmare to go to a routine call and wind up dead. >> reporter: as a community mourns, new details emerge about the 28-year-old rookie officer. we're told she spent some six years as a marine corps consist arist and her passion for public service dates back to 2011 when she interned with the

>> she did share with us when we rehired her that she felt like she still wanted to do this job. she couldn't get it out of her blood. >> reporter: her accused killer an army staff sergeant assigned to the pentagon has also been charged with murdering his wife. found dead inside their home. his 11-year-old son was also home but not hurt. the two other officers are expected to recover. as for the suspect, he's due back in court april 19th. and facing first degree and capital murder charges makes him eligible for the death penalty if convicted. elizabeth hur, abc news, new york. so senseless. just a reminder of what law enforcement is constantly up against. domestic altercation was what they were responding to. >> none of what they do is routine on any day. the general public is invited to attend the services. of course, you'll have officers from all over the country, as well. >> i imagine yeah. coming up in our next half hour, royal

of the seas" damaged after sailing into hurricane force winds last month. it is turning back again. is it because of bad weather ordazs of sick passengers on board? but first an american hero. a member of the legendary seal team 6 has received the nation's highest hirlt honor. you're watching "world news now."

>> very good theme for this one because one of america's bravest heros has been awarded the nation's highest military honor. >> a member of s.e.a.l. team 6 and his acts of bravery to save an american hostage will go down in history. here's abc's david muir. >> an american hero stepping out of the shadows. a member of see see team 6, edward byers junior, now the sixth navy seal see in history to receive the medal of honor. >> that night we had a mission and that was to rescue an american who is staj. >> reporter: sent to the mountains of afghanistan to save an american doctor abducted by the taliban. >> they told him the americans are not coming for you. they were wrong. >> reporter: arriving to

first. he was hit. ed fought off two guards kawing to that american doctor. i heard his voice and jumped on to the american hostage. shielding the doctor with his own body, ed pinned another taliban guard to the wall waiting for his teammates to reach him. >> by going after those guards, ed saved the lives of several teammates and that hostage. >> reporter: three years later ed and his fellow s.e.a.l.s honored at the white house. >> we sleep more peacefully in our beds tonight because patriots like these stand ready to answer our nation's call and protect our way of life now and forever. >> reporter: david muir, abc news, new york. all of this happened he said in less than a minute. >> wow. >> the attacks of all five of these taliban militants and also saving this guy's life. it was pretty remarkable. >> dr. joseph has praise the work of all of his rescuers but still troubles by the events of that night. his story differs a little bit fr

coming up, we're going to switch gears. getting braces for your puppy. >> and an ice cream filled doughnut. we'll explain. dinner. dishes. marriage. dishes. doughnut. we'll explain. filled doughnut. we'll explain. ng. (snoring) (sputtering) dishes. not sleeping. dishes. life. dishes. death. dishes. existence. dishes. dishes, dishes, dishes... every dish, every time. only finish has the power ball to take on anything. lashblast is our most coveaward winning mascara news for lashes! millions of girls, millions of looks billions of beautiful lashes blasted!

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garden party for her birthday. a fabulous so i mowed the lawn, put up all the decorations. i thought i got everything. almost everything! you know, 1 in 10 houses could get hit by a septic disaster, and a bill of up to $13,000. but for only $7 a month, rid-x is scientifically proven to break down waste, helping you avoid a septic disaster. rid-x. the #1 brand used by septic professionals in their own tanks.

now it's time for "the mix." parents spend a lot of money on braces. >> yes. >> what if your dog had issues with his teeth. meese wesley, a cute gorgeous pooch. is he not adorable? he's from spring lake, michigan. apparently the 6-month-old golden retriever. his adult teeth weren't coming in correctly and his owner molly moore was worried about him because he wasn't eating or playing with his toys. it turns out her dad is a veterinary dentist. he put braces on. >> i didn't know that was a thing. >> he put braces to fix the teeth and apparently it really, really worked. now wesley is happy, healthy and eating and back to normal. check out that smile. >> if only i have a couple of my lower teeth that need some work. >> we could

wesley's grandpa. >> he's pretty good. remember already rich eisen, now he's at the nfl of network and gotten a little older and he's a dad. but take a look at this. the nfl combine is taking place right now. where they try out all of these college athletes. he wanted to see what his timing was on the 40 yard dash in his suit and look at that. that is just blazing speed. >> that's great. >> it was 5.94 seconds. >> that's wonderful. right? >> let's compare it to the semi pros. the would be pros. this is joey boza who is from ohio state. defensive line man. not even close. that's how these would be youngsters do it. >> oh, look at that. i think that dude has a different. >> they're like 4.3 seconds. >> had he was one second off you mean. >> nearly two seconds. that's critical. >> these guys have been training. let this dude try longer. give him six months to condition and train. i bet he would be

>> he would still get beat. >>py by probably five seconds. >> i would say change your sneakers. >> no, he's -- he wouldn't be able to do it. >> we like our sweet treats here on the overnight. apparently there's a doughnut that's filled with ice cream. look at this. is it not deliciouses? another reason to love prague. you get this amazing treat or snack. it's an ice cream wrapped in doughnut. you can buy them as prague's good food cafe and bakery. looksz amazing. > that looks amazing. we're not even going to think about the calories. that's awesome. >> it's calorie free froo book our flights to prague right now. >> we've seen a lot out of the boston dynamics folks. now they have a robot dog. four legs taking on a real dog here in the parking lot. they encountered an actual dog who is kind of hanging out in the parking lot. >> smart dog. he should be upset by this. what is it? we're not sure. >> he's kind of weirded out by

>> his defense mechanism is

this morning on "world news now," campaign take-down. the journalist tackled by the secret service at a donald trump event. the controversy and the candidate's comments on this super tuesday. clinton's challenge now that the latest batch of controversial e-mails are released. can hillary clinton take her campaign to the next phase? and new this half hour, the big change in space today. >> astronaut scott kelly is returning from the international space station after his record-setting mission. so who is taking over as commander as kelly returns to earth? >> and later in "the skinny," fantasy suite excitement on "the bachelor" involving ben higgins and three young women and some difficult decisions. our senior analyst is here with exclusive insights and analysis on this tuesday, march 1st.