captioning funded by cbs it's monday, may 23rd, 2016. this is the "cbs morning news." crews have retrieved wreckage and remains in the disappearance of egyptair flight 804 but not the black boxes from the doomed flight. this morning, the u.s. navy is joining the search. too close for comfort for hillary clinton. new polls show she's locked in a dead heat with donald trump in the race for the white house. and powerful performances at the billboard music awards, including a tribute to prince by madonna and stevie wonder. ♪

good morning from the studio 57 at cbs news headquarters here in new york. good to be with you, i'm anne-marie green. mystery surrounds what happened to egyptair flight 804. egypt's president says all scenarios are possible. an unmanned submarine is joining the search this morning for the plane's flight recorders. smoke was reportedly detected in the cabin moments before the jet crashed on thursday. jonathan vigliotti reports. >> reporter: a marine is on the way to scour the seabed looking for the voice recorders from egyptair flight 804. they're using surveillance aircraft to help with the search. >> we could stay here for a good six hours looking. we have a lot of windows through the aircraft. everybody's looking. >> hello

>> reporter: the audio recording captured a check-in between the flight's pilot and air traffic control over zurich, switzerland. >> thank you very much. good night. >> reporter: 2.5 hours later, the aircraft began veering erratically before plummeting into the ocean. data published by "av herald," claims smoke was detected moments before the plane went down. aviation experts say that alone could rule out the possibility of pilot error. >> there is no human error that would have triggered smoke alarms. >> reporter: airline officials say it could take weeks to identify human remains, adding to the grief of relatives still searching for answers. cbs news, crete. cbs news transportation safety analyst and former ntsb chairman mark rosenker joins us from our london bureau. good morning. i want to ask a quick question about the priority of the government right now. does it have to do with locating the wreckage or getting black boxes?

>> they have to find the wreckage before they can find the boxes. also, they're very intense at getting the human remains back to the families, recovering as many as possible. at the same time, making sure that they identify them and get them pack to the families. >> in regards to the black boxes, tell me about the challenges. how long will the boxes be sending out pings, and how deep is the water there? >> the regulations require that these boxes have a battery that can emit the signal for at least 30 days. we may get lucky and get a few days more, maybe a week. we're dealing in 10,000 feet of water. and that is a very challenging depth to be trying to locate these boxes. >> we've been hearing reports that there might have been smoke in the cabin prior to the plane going down. does that tell you anything about a possible link to terrorism? >> no. we're still very, very far away from understanding exactly what happened. what it does show us is at

fact, something catastrophic did happen, but it cascaded over about a three-minute period before the aircraft totally lost control and contact and plummeted special the water. >> mark rosenker in london. thanks a lot for your insight. >> you bet. president obama lifted an arms embargo on vietnam this morning four decades after the end of the vietnam war. the president is in hanoi on a three-day visit to vietnam. it is his first stop on a week-long trip to asia. he will travel to japan next where he will attend a summit of the group of seven industrialized nations. he will also become the first u.s. president to visit hiroshima where the u.s. dropped the first atomic bomb in world war ii. an estimated 140,000 people were killed. also this morning, the president confirmed the leader of the taliban in afghanistan was killed by a u.s. drone. president obama said the death is a

country's long, insurgent war. this video shows the aftermath of the drone strike -- >> targeting u.s. -- >> a french news agency says that there is video that shows the aftermath of the drone strike. his vehicle was attacked late last week in southwestern pakistan. a newly released national poll shows the race between hillary clinton and donald trump would be a statistical dead heat. in yesterday's nbc news/"wall street journal" poll of registered voters, clinton edge trump by just three points. that is within the poll's margin of error. in the same poll, bernie sanders has a 15-point lead over trump. >> reporter: hillary clinton and donald trump aren't just neck and neck in national polls but key swing states, as well. a new cbs news battleground tracker shows a virtual tie in florida and a five-point clinton advantage in ohio.

double-digit leads in national polls against trump. >> i do not want americans to start to believe that this is a normal candidacy. it isn't. >> reporter: clinton's effort to focus on trump is complicated by bernie sanders who held two more big rallies in california sunday, pointing out that he polls better against trump than clinton does. >> if you want the strongest candidate to make sure that trump does not become president, we are that campaign. >> reporter: one area where trump still struggles -- attracting big-money donors. he said sunday that fully self-funding his campaign would require selling off assets. >> to finance a billion dollars, i would have to sell a building, i'd have to do something like that. will i do that? i could. >> reporter: polling shows that roughly half of clinton and trump supporters will vote for one because they so strongly dislike the other. cbs news, new york. iraq's prime minister

operations to drive isis out of fallujah. it's been held by the militants since january of 2014. the government is urging people to leave, but residents say isis set up checkpoints to block them. people who cannot escape are being told to raise white flags above their homes. iraq's government faces another battle right in the capital. soldiers are struggling to keep order in baghdad's highly fortified green zone. two protesters died and more than 100 were wounded in the latest crash. supporters of a powerful shiite cleric are demanding government reforms. damaging winds, hail, and possible tornadoes are on tap this week in the central plains. >> daddy, let's go, please! >> sh. >> at least one twister late yesterday touched down in central texas. thunderstorm warnings are posted this morning in parts of the state. another tornado struck this weekend in the texas panhandle. so far, there are no reports of injuries

a man suspected of killing a massachusetts police officer was shot to death by police. jorge zambrano died last night in a shoot-out. a state trooper was wounded in the gunfight but is expected to live. police say zambrano shot and killed officer ronald tarantino during a traffic stop early sunday morning. nearly two dozen people were injured in southern california when their bus returning from a women's church retreat overturned. the bus flipped on its side yesterday afternoon about 60 miles east of los angeles. six people had serious injuries but are expected to survive. the cause of the accident is under investigation. coming up on the "morning news," statement performances. kesha delivers a powerful mortgage a national stage, plus, an all-star tribute to prince. larkt the major league fooling a gay men's choir over a national anthem.

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♪ it ain't leaving no no no ♪ ♪ it ain't me you're looking for ♪ kesha made a statement at last night's billboard music awards. she performed a powerful cover of bob dylan's "it ain't me, babe." the pop star has been locked in a legal battle with producer dr. luke, accusing him of sexual assault. kesha's label initially banned her from performing but reversed the decision last week. the moment many had been waiting for last night was a powerful contributed to prince. madonna started things off with "nothing compares to you," but she got help for "purple rain." ♪ purple rain purple rain ♪

>> prince was found dead last month at his minnesota compound, paisley park. an update to the death of prince is one of the headlines on the "morning newsstand." "the minneapolis stab tribune" reports that prince probably died at least six hours before his body was found. a local doctor had been treating the singer for withdrawal from osteoporos opioid addiction before his death. toxicology results are pending. "the baltimore sun" reports a judge will issue a verdict in the case of a city police officer charged in the death of freddie gramp the six-day trial of officer edward niro ended last week. he's pleaded not guilty to assault, reckless endangerment, and misconduct. the associated press reports the search for two indian climbers mt. everest, they have been missing since saturday. guides say it's unlikely they survived the harsh conditions on the mountain. at least three everest climbers have died in the last few

"mashable" reports the re-emergence of the unabomber after two decades of silence. ted kaczynski wrote to a magazine writer from prison and asked to be interviewed. the writer posted the letter on twitter. kaczynski wants to respond to a book about his case written bihis brother. and "the san diego union tribune" reports a big error at a baseball park before the game began. the san diego gay men's choir was set to sing the national anthem saturday night before the padres game. a woman's voice blared from the stadium speakers instead. the team is apologizing to the chorus and the crowd, blaming it on a control room blunder. hmm. still to come, chewbacca has the last laugh. ahead, how a woman's hysterical outburst is helping "star wars" merchandise fly off the shelves. t one dark chocolate rises above the rest lindt excellence created by our master chocolatiers

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it was a birthday gift to herself. chewbacca's battery powered roar causes author laugh uncontrollably. the masks are still for sale but from private owners on amazon. they're going for about $150. on the cbs cbs "money watch," twitter has a plan to keep employees in place, and a happy weekend for the "angry birds." jig wagner with that and more. good monday morning. >> reporter: good morning. investors continue to weigh the possibility of another interest rate hike at the fed's meeting in june. there are also a number of economic reports out this week including durable goods and revised gdp, and it could push the fed one way or the other. last week the dow lost 36, the s&p gained 5, the nasdaq finished 51 points higher. the german drug company bayer made a $61 billion offer to buy monsanto. bayer said last week its executives had met with monsanto

counterparts to discuss an television. monsanto has 20,000 employees. the ceo of twitter wants to give one-third of his stock to employees. jack dorsey's asking investors to let him give nearly seven million shares away. an effort to boost company morale and retain workers. last october, dorsey laid off about 8% of the twitter work force. four key executives quit earlier this year. coca-cola has suspended production in venezuela because of a sugar shortage. coke is closing its central office there but not leaving the country. the venezuelan economy is near collapse. last week its president talented again to seize factories and nationalize them. and the "angry birds" movie soared in its debut week. the animated picture based on the video game is the latest in a string of successful pg-rated films. the "angry birds" movie earned $39 million followed by "cameri

>> once upon a time you would be a best-selling book and become a hit movie, now it's a best-selling app becomes a movie. >> definitely a trend. >> thanks a lot. a powerful music act shows good bedside manner. ahead, the heartwarming reason why members of florence and the machine took their performance to the hospital. ♪ [ guitar playing ] ugh. heartburn. sorry ma'am. no burning here. try new alka-seltzer heartburn relief gummies. they work fast and don't taste chalky. mmmm. incredible. looks tasty. you don't have heartburn. new alka-seltzer heartburn relief gummies. enjoy the relief.

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as the sun is making -- opposite side of the earth as the sun, rather, making it closer and brighter than normal. this happens about every two years. a texas teenager too sick to make a florence and the machine concert got a special show of her own. ♪ >> florence welt and her guitarist heard the cancer patient had tickets to the show but was admitted to hospice care. the musicians gave a 45-minute bedside performance in the hospital for family, friends, and medical staff to give the girl a reason to smile. very moving. bucknell graduates were treated to a commencement speech delivered by cbs president leslie moonves this weekend. the university awarded him a graduate of the class of 1971 with an honorary degree, the doctor of humane letters.

thanks for that. it means my parents, who god bless are still alive, can start bragging to all their friends that he's finally a doctor. >> he may not be a doctor-doctor like a medical doctor, but he told the crowd he eventually did plenty to make his parents proud. i'm sure of that. coming up after your local news on "cbs this morning," governor john hickenlooper. i'm anne-marie green. this is the "cbs morning news."

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z2025z well, not necessarily a surprise. we are waking up to mist and drizzle. there is plenty to track on radar. we can expect -- what can we expect after a soggy weekend. >> a judge is expected to issue

one of the officers in the freddie gray case. madonna pays contribute to prince and billboard crowns a new top artist. a look at the billboard music awards. >> allyson rae has plenty to talk about. good morning, allyson. >> this will be the worst day of the week. things get better after today. heavier stuff is down here. farther south, prince, frederick, southern maryland, 301 a consistent rain out there and good steady rain. we will see things let up throughout the day. maybe a moment -- a moment of sunshine. we will see lingering showers this

times warmer than yesterday, 70 degrees. we will go through the next few days in a bit. good morning, larry. >> good morning. roads are wet. ponding in areas like rock creek parkway. other than that quiet around town. no issues on the inner or outer loop this morning. 395, 295 doing well in both directions. prince george county off to a good start. a look shows you how it's shaping up on route 50. inbound to areas like crofton, buoy and mitchellville good to go there. southbound on the b.w. parkway travel(bing close to to speeds. a live look shows you i-66 from areas like gainesville, fort royal. all lanes are open. weather and traffic return on the 9s. over to you. at the live desk, two

in fairfax county, police are investigating a shooting in the 2900 block of still wood court in falls church. a witness reported seeing a man and woman screaming outside of an apartment complex. when police got there, they found a person with a gunshot wound. they were taken to the hospital with nonlife-threatening injuries. no suspect information at this time. in prince george county, this is video from a shooting about 1:00 this morning. police say it happened in the 4400 block of temple hills. no suspect in that case either. we have a crew on the scene and will bring you updates as soon as we get them. now back to you. did the san diego padres organize a homophobic prank before the game this weekend or was it a technical mistake. 100 members of the san diego gay men's chorus stood on the

national anthem as part of pride night at the stadium. instead the san diego padres played a recorded voice of a woman singing the anthem and the men had to stand there on the field until the song was over and they faced homophobic taunts as they left. the team apologized to the chorus. fired a third party contractor responsible and disciplined the employee that oversaw the process. they believe it was a mistake and not a malicious prank. the race for the white house heats up. hillary clinton and donald trump traded jabs sunday amid new polls showing the contenders in a statistical tie. bernie sanders widened his rift with the democratic establishment for blasting superdelegates for supporting clinton before she had a competitor. >> the news

now. we are tracking more wet weather after a near washout this weekend. we will let you know what you can expect into the workweek. >> good morning, i'm andrea roane. >> glad you are with us, i'm mike hydeck. it's monday. we have our eyes on the roads but we start with allyson rae. >> i hate to give these forecasts. another day where you need the umbrella. it will be cloudy and showers. the worst is through the morning. cloudy skies through much of the day then a few more stray showers this evening. fog tracker, a little faith ---patchy fog through the frederick area. light showers around the beltway to the district, up to 70 through rockville and southern maryland. heavier rain in mechanicville and prince frederick. here is the futurecast. things start to ta