hole in the roof. the cause of the crash is under investigation. this video captures the stunning moment a philadelphia police officer was hit by a vehicle. he is standing outside a police cruiser talking to another officer when suddenly he vanishes from the screen. the officer was even knocked out of his shoes. he was run over by an alleged drunk dreyeiver. he is expected to make a full recovery. >> nasa conducted the second to last splash down test. scientists used a pendulum and explosives to successfully vault a test capsule into a pool of water at about 25 miles per hour complete with fully suited astronaut test dummies. the last time nasa spacecraft went into the ocean? 1972. back to the future. it's no longer a pie in the sky idea. dominos group says the company now is one step closer to

from the sky. yesterday the company conducted a demonstration of a pizza delivery by a drone in new zealand. trial drone deliveries could get underway in new zealand by the end of this year. don't expect it in the u.s. any time soon. >> 30 minutes or less? >> we can only hope. it looks good. still warm? >> they look pretty happy. anyone can have the opportunity to get up close and personal with the leader of the free world now. >> president obama? >> sort of. >> he's making his virtual reality debut. his family trip to yosemite national park has been turned into an experience. he walks us through the majestic water falls, granite cliffs and giant sequoias. >> he checked out the video himself, and he calls yosemite one of the most stunning

ever been. i've never been. maybe i can visit it in virtual reality. >> i imagine it would be pretty cool. >> i would do that. what i really want -- >> saves you from the lions. >> i want virtual reality front row tickets to hamilton. if you could work on that, that would be great. in real life, i'm never going to get them. >> and in virtual reality, probably not. >> nice shot. >> the president makes a return in our insomniac theater. >> we're preview the story of their first family love story. >> and presidential hopeful songs, what they get pumped up to. >> first, a look at today's high temperatures.

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a shot of the world trade center. on thursday evening one world trade was lit in green, white and red in the colors of the italian flag. that region is dealing with another earthquake overnight. the 4 .7 quake hit near the town of amatrice again. the death toll from wednesday's quake stands at 250. rescuers are combing through the rubble searching for survivors. there have been more than 450 aftershocks recorded since wednesday. and back in this country things are back to normal. two major airports in south florida. >> yesterday a far reaching pour outage shut down things. >> reporter: a complete ground stop at miami's airport ford lauder dale too after this startling radio call from controllers to pilots. >> everybody on

use extreme caution. we've lost all communication. we cannot see you. >> reporter: the controller lining up jets for landing, in essence, blinded. >> we cannot see you on the radar. >> reporter: that left jet liners circling, more than a dozen flights diverted to other airports. the problem, a power outage took out the radar and communication systems. >> i think we still have this vulnerability. we have facilities with redundant systems and backup power supplies that don't seem to work. >> reporter: another center took over the air space. the jets that could see each other on their controls landed safely. it look 90 minutes to reboot the system. more than 100 flights affected with delays up to an hour and raising new questions about power systems. abc news, reagan national airport. coming up, music and the people who want to be president. >> tunes and presidential candidates have gone

there's been campaigning. remember don't stop? we're going to check in on all this coming up.

♪ hard core. >> is that -- what is that? >> hard core hail of the chief. >> yes, it is. >> that's a tune that donald trump and hillary clinton hope to soon be playing for them. >> before they get to the white house, the presidential candidates have a lot of music they have to go through along the way. >> we all have that moment where you hear a song and you can't get it out of

it's no different on the campaign trail. it catchy song is basically a presidential requirement. this presidential campaign has seen plenty of controversies from hillary clinton's e-mail scandal. >> that was a mistake. i'm sorry about that. >> reporter: to donald trump's immigration switch. and now there's a heated debate over a song. the political twitter world lit up. hillary clinton's song is driving some people nuts. her song has played over and over at rallies and over. the song played so much some people can't take it anymore. one reporter tweeted, last week i told the traveling hillary press i still liked "fight song". they ordered me off the plane. a senator said i like it a

but i also listen to the first nick la which ay album on repeat. more recently bill clinton went with fleet wood mac. john mccain liked to play this curious disco hit. ♪ that's right. john mccain loves alba, and barack obama chose stevie wonder. but selecting a song to define a campaign isn't an easy task. in a documentary mitt romney recalls laughing when someone suggested kid rock's born free. >> i think because it's like kid rock, that would never pass the smell test. ♪ >> i looked at the lyrics, and it was really appropriate. and it went

>> reporter: fight song may be clinton's unofficial anthem, but she often turns to katy perry. trump draws from a wide ranging mix of songs. he declared victory to queen, shaken hands to pavaroti, and walked out of a plane to jock jams. ♪ >> reporter: several artists ranging from neal young to the rolling stones have sent the nominee cease and desist letters, but oftentimes trump keeps doing what he wants. despite the cease and desist letter donald trump did play "you can't always get what you want

today. hillary clinton walked off to "ain't no mountain high enough". she decided not to play "fight song". we don't know if it's because of the debate, but we'll be keeping an eye on if she plays that song next time she walks off stage. >> a musical flip-flop. >> scandal on the campaign trail. >> i was just listening, and listening to your piece, and the pavaroti song was used in a graphic murder scene in a god father movie. >> i always wonder why he's playing it. >> the problem with this song is that you can't get it out of your head. just to help you with that, can we play "the fight song" to have it as your ear worm on this friday morning. 5:00 p.m. when you're singing it, you're like thank you. >> i wish she would go with the katy perry more often. that's my favorite. >> i like this,ut

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k-y touch. this comes with a summer history lesson. "hand of stone". the venezuelan actor that plays the boxer. robert de niro plays his trainer. >> i've trained more boxer than anyone in boxing history. i haven't stepped into a ring for more than a decade. it's 66 seconds, he changed my life. >> i want you to meet the best trainer in the history of boxing. >> an

>> reporter: eventually it con. >> caller:s the sh-- it chronice show downs. the judge giving it a 40% splat on rotten tomatoes. they say it's hard to escape that you're watching a conceived boxing flick. and it can't decide if it wants to be ranling bull or remember the titans. >> next, set in the summer of 1989 when barack obama goes out with a young michelle robinson. before young barack shows up late, young michelle tells her parents they are not going on a date. >> look at that car. >> he's a summer associate. i told you all about him from harvard law. i mentioned i worked legal aid, and he

at the garden. >> huh. >> yeah, because it doesn't get more romantic than broken plumbing. >> what's this boy's name? >> barack obama. >> barack what? >> dad did learn his name. south side with you gets plenty of votes. 92% on rotten tomatoes. the reviewer says as a work of imagination inspired by fact, the film shimmers with warmth. and jake coil at the associated pr press says it's charming. it's an odyssey through african american life in 1989. >> 92% is impressive. this summer has been rough for movies. >> your movie sounds good too. >> "hands of stone?" >> yes. 40%. just as it escapes your ear, it's back. >> the ear worm. ♪

this morning on "world news now," donald trump shifts back to a tougher stance on immigration. overnight trump opening up about his yet to be announced policy on the issue. this is both me and hillary clinton use racially charged rhetoric and images to attack the other. police are searching into the death of two nuns. they were stabbed to death. the hunt for the killers intensifies. police show up in the cockpit of a plane to find the co-pilot allegedly drunk behind the controls. we're told his blood alcohol level, 15 times over the legal limit. how did they catch him? and anchors aaweigh. a touching tribute bringing together generations of patriots on ts