this is "nightline." tonight, high drama at the republican national convention. delegates showering ted cruz with boos. for refusing to endorse donald trump. and the nominee himself emerging from the wings to shut it down. also the campaign's big admission about melania's speech. >> you know, people make mistakes. >> the world isn't going to change itself, that's up to you. >> plus, music to protest by. the new group, prophets of rage says the party's over. striking some familiar chords from history while providing the convention's protest soundtrack. after this dangerous wreck, bystanders banding together to do the seemingly impossible.

the young driver, saved by strangers. but first hear the nightline 5. impossible. but first, here are the "nightline" 5. number one in just 60 seconds.

♪ good evening. conventions are normally highly kor grafed minutely orchestrated

events, but as we saw here in this room once again tonight, things are rarely normal when it's the trump show. fear and loathing on the floor of the convention tonight. the target of the anger, texas senator ted cruz, who ran against trump in the primaries, but refused to endorse him tonight, even as the crowd loudly called for him to do so. >> i appreciate the enthusiasm of the new york delegation. >> reporter: enough was enough, apparently for trump. it was time to upstage him. trump walking into the room, drawing the cameras away, as cruz was still at the podium. >> -- by standing together for shared values, by standing together for liberty. god bless each and every one of you. >> reporter: it really got ugly, as the delegates turned their anger at cruz's wife heidi, who had to be escorted out.

>> people behind her were getting very ugly and physically approaching her, and it was not a pretty situation. >> reporter: this was the culmination of a longer bitter season of rancor between these two men. >> i'm going to tell you what i really think of donald trump. this man is a pathological liar. >> honestly, i think he's crazy. lyin' ted does not have the temperament to be doing this. >> reporter: and the instant verdict among experts appear to be it was a miscalculation for ted cruz. >> did cruz hurt himself or help himself tonight? >> wow, in a year of political first, another first. a major candidate comes in and doesn't endorse the nominee of the party, i think cruz my have miscalculated the risk on this. i think he hurt himself in the short-term, and in the long term, because his ambition is to run for president if trump loses, it hurts him. >> reporter: how about trump? >> i think trump comes out as a

larger than life figure. instead of having others help him, his entrance came in, mike pence's speech was done and he looks like the unifying figure of the republican party and the brand of the republican party. >> reporter: the cruz uproar overshadowed what was supposed to be the main event tonight. >> i accept your nomination to run and serve at vice president of the united states of america. >> reporter: the primetime speech of trump's vice presidential pick, indiana governor mike pence. >> i'm a christian, a conservative, and a republican in that order. >> reporter: a devout christian and hero of cultural conservatives, his job tonight, to help his new boss unite a clearly divided party. >> it's change versus status quo. and my fellow republicans, when donald trump becomes president of the united states of america, the change will be huge. >> reporter: at the end of pence's speech tonight, trump strode out on stage to

congratulate his guy, and give him a sort of awkward air kiss. >> it was the first speech in my mind that actually started talking outside of the choir and to the people in the pew. i think mike pence did a good job on that. >> reporter: here's trump touching down in his chopper. we saw him walking alongside his adult children, but interestingly, not his wife melania. the last time we saw her here, it was right after giving that now infamous speech with those striking similarities to michelle obama's convention speech from 2008. >> because we want our children and all children in this nation to know -- >> because we want our children in this nation to know -- >> that the only limit to the height of your achievement is the reach of your dreams and your willingness to work hard for them. >> that the only limit to your achievements is the strength of your dreams and your willingness

to work for them. >> reporter: today an employee of the trump organization named meredith mciver released a letter, taking the blame. saying melania read me some passages from mrs. obama's speech as examples. i wrote them down and later included some in the draft that ultimately became the final speech. this was my mistake. left unanswered, why did melania herself not recognize the similarity to the passages she had personally shared with mciver. today she said she offered her resignation to the trump family, but they rejected it. trump spoke about it in an interview with george stephanopoulos. >> she's been with me a long time. she's a good person, and came forward, said, look, it was a mistake i made. she thought it was very unfair

to melania. >> how is she handling all this? >> she's a good woman, a strong woman, i thought she made a beautiful speech. >> she had that hall. >> totally had that hall. and now the cloud is lifted off of her, which is terrific, because it was very unfair. >> reporter: on night three, the trump family continued its dominance of the convention. following in the foot steps of his siblings tiffany and don jr, eric trump taking the stage. >> vote for the one candidate who does not need this job. >> reporter: he oversees the family's golf ventures and has appeared as a judge on the apprentice. >> to your point before, we just didn't think it was close. >> reporter: but tonight he was brass tax and policy. >> to the unemployed voter sitting at home, watching me right now, wondering how you're going to make your next mortgage payment or rent payment, my father is running for you. >> this is a trump convention, not a republican convention. so, this is all about him and all about his family.

>> reporter: is he at risk of overdoing it? >> he could be. people here really are eager to know more, and the more they know of the trumps, the more they like it. >> reporter: tomorrow night, it's ivanka's turn. she's often described as her father's favorite, and she would introduce her dad for what will be the most important speech of his life. what's his job thursday night? >> to reassure people that he can be the man sitting in the oval office. >> reporter: george stephanopoulos discussed with the candidate in his exclusive interview tonight. >> you've had some amazing entrances this week. you emerged out of the smoke on monday night. you had the helicopter today. how do you top it tomorrow night? >> you gotta stay tuned. you're gonna be there. you will definitely be there. i'm not looking for entrance, george. i'm looking for a good -- really a good grouping of words that's going to talk about our country and the problems that we have.

we have deep problems. we have really deep-seated problems. so it's not about the entrance, it's about the words and it's about getting the words done. and the only way we're going to get that taken care of, we have to in november do very well. >> late tonight, trump tweeted about the cruz incident, saying cruz failed to honor his pledge to support the eventual nominee. and then he said, quote, i saw his speech two hours earlier, but let him speak anyway. no big deal. next up, members of the three of the angriest bands ever combine and show up here in cleveland. they say the party's over, but what are the risks at this moment of fear and division in america? and later, strangers banding it the to save a young driver. together to save a young driver. ♪

take on any road with intuitive all-wheel drive. the nissan rogue, murano and pathfinder. now get 0% apr for 72 months, plus $500 bonus cash. ♪ what muscle pain?l ask what headache? what arthritis pain? what bad wrist? advil makes pain a distant memory nothing works faster stronger or longer than advil it's the world's #1 choice what pain? advil. and who doesn'tb then seize the day already. crabfest is back at red lobster with so many kinds of crab and the most crab dishes of the year. so dive into whatever floats your crab-loving boat.

like crab lover's dream. crack open tender snow and king crab legs, and twirl creamy crab alfredo. or try the new alaska bairdi crab dinner. sweet and straight from the icy waters of alaska, you've gotta get it... to really get it. but it won't last forever, so hurry in. what are you doing? sara, i love you, and... [phone rings] ah, it's my brother. keep going... sara, will you marry... [phone rings again] what do you want, todd???? [crowd cheering] keep it going!!!! if you sit on your phone, you butt-dial people. it's what you do. todd! if you want to save fifteen percent or more on car insurance, you switch to geico. it's what you do. i know we just met like, two months ago... yes! [crowd cheering] [crowd cheering over phone]

♪ cleveland is home to the rock & roll hall of fame, and there's a new exhibit celebrating the music of protest. it was curated by a veteran of angry rock. tonight, his new band and the risk of rage at a time when america is on edge. here's abc's david wright. ♪ >> reporter: inside the "q," the delegates are rocking out to the sensations. ♪ but outside -- outside, it's a whole different beat. ♪ these are the prophets of rage, a brand-new group cobbled together for 2016 out of three of the angriest bands in rock &

roll history. from public enemy, chuck d. and deejay lore. from cypress hill, that's rapper b. real. and from rage against the machine, guitarist tom morelo, drummer brad wilk, and base player tim rutherford. the prophets of rage, don't call them a super group. >> it's really more of a superhero group. >> like the avengers. >> we're an elite task force of revolutionary musicians who have come together during this troubled time to let our message be known with marshall stacks blazing. >> reporter: and blaze they do. turned up to 11, with profits with proceeds donated to charity. >> the revolution will be burning. >> reporter: on monday, they were in cleveland. the band members marching with

end poverty now protesters. and providing the soundtrack to the ruckus outside the convention. >> we're musicians, and this is how we're able to be on the front lines. you gotta learn how to think and fight. we say making america rage again and making america think again. ♪ >> reporter: most of their songs come from a different era of rage. public enemy's best-known song, "fight the power," goes all the way back to 1989 and spike lee's movie "do the right thing," about racial tensions in brooklyn. ♪ fight the power ♪ fight the power >> reporter: this iconic riff from cypress hill -- ♪ ♪ insane in the membrane >> reporter: "insane in the

brain" came after the rodney king beating and the riots that followed. and rage against the machine, take your pick. there's "bulls on parade," meaning that police officers or soldiers are taking action nearby. or "sleep now in the fire" music video directed by michael moore, featured the band storming on the stock exchange. and that sign in the background "trump for president." and this was 1989. >> rage against the machine was a little bit like nostradamus. we were prescient so much that it made me sick to my stomach. >> reporter: so now you shut it down? >> yeah, yeah. for the first time, i believe in the institution. >> and michael moore said we shut down capitalism. >> reporter: you shut down

capitalism? >> and it was in a video. greatest video ever. >> reporter: all those themes, racial justice, police use of force, still very much in the mix today. >> these are very tumultuous times. and the message at the end of the day, the world isn't going to change itself. that's up to you. >> reporter: the prophets of rage are bipartisan. they don't like trump or clinton. >> she's a hawkish centrist. she's participated in decisions that have caused so many deaths, unapologetically. she's wall street's number one. >> people want change, but not the same old rhetoric. >> reporter: the issues haven't gone away. they've gone viral. the video backlash against police brutality that started with rodney king, now streamed live to facebook.

the flash points immediate and there have been bloody reprisals in dallas and elsewhere. >> reporter: is what happened in dallas a consequence of this, and to what extent are you worried about feeding into that? >> well, rage was underlying the american revolution, the fall of the berlin wall, the end of afept part hide, women's struggle to vote. >> reporter: the group does not condone the violence in dallas and canceled an appearance there last week. are you worried about that in cleveland? >> i'm conscious of it. >> reporter: rock music has for decades amplified the voice of the counter-culture. >> music does not to be politically lyrical in order to be political. >> reporter: in cleveland this week, at the rock & roll hall of fame, there's an exhibition by tom morelo making that point.

>> what he had written, this machine kills fascists. >> reporter: republicans are no strangers to this music. paul ryan claims to be a fan. >> the music was used in torture. to keep awake for 48 hours at a time. we sued the state department, unsuccessfully. but it's our turn, it's our revenge. >> reporter: so the prophets of rage are going to cleveland. >> we're not going to cleveland to cause riots. we're going to create some riots in the mosh pit, and some musical mayhem. ♪ >> reporter: raging in the mosh pit of democracy. i'm david wright for "nightline" in new york. ♪ next, a remarkable rescue caught on camera. the strangers leaping into action in a moment of maximum peril for a young driver.

abc news "nightline," brought to you by pfizer. i'm mary ellen, and i quit smoking with chantix. i have smoked for 30 years and by taking chantix, i was able to quit in 3 months and that was amazing. along with support, chantix (varenicline) is proven to help people quit smoking. it absolutely reduced my urge to smoke. some people had changes in behavior, thinking or mood, hostility, agitation, depressed mood and suicidal thoughts or actions while taking or after stopping chantix. some had seizures while taking chantix. if you have any of these, stop chantix and call your doctor right away. tell your doctor about any history of mental health problems, which could get worse or of seizures. don't take chantix if you've had a serious allergic or skin reaction to it. if you have these, stop chantix and call your doctor right away as some can be life-threatening. tell your doctor if you have heart or blood vessel problems, or develop new or worse symptoms. get medical help right away if you have symptoms of a heart attack or stroke. decrease alcohol use while taking chantix. use caution when driving or operating machinery. most common side-affect is nausea.

i can't believe i did it. i quit smoking. ask your doctor if chantix is right for you. oh. model year endink thclarence event. . looks right to me. shouldn't it be clear- clearly... it is time to get a great deal and a reward card on this turbocharged jetta. gotta make room for the 2017 models. it is a clarence event. why is that so hard for people to understand? it seems clar to me... clear to me. ready for a test drive? whatever you want to call it, don't miss the volkswagen model year end event. hurry in for a $1,000 volkswagen reward card and 0% apr on a new 2016 jetta.

aha! oof! weee! slurp. mmmmmm. cinnamon. milk. cinna-milk. cinnamon toast crunch. crunch! crave those crazy squares. cinna-milk!

♪ ♪

finally tonight, going all-out, all together. the good samaritans and the split-second decision. here's steve osunsami. >> reporter: the driver had the -- >> reporter: on interstate 20 in south carolina, it didn't look good at all for the driver of this red convertible who unfortunately had the top down. with more than a dozen other people on the highway saw the car roll several times rushed over to put some muscle into saving this driver's life. >> we could smell a fire, but also gas, and see clear fluid dripping. >> reporter: burt soren recorded on his cell phone as he helped. >> he should not have been alive. >> reporter: 20-year-old jonathan jansen is praising the seat belt that kept him in the car. he says he lost control after chasing a library book that was blown away by the wind. >> it didn't matter to anyone outside of the car who the person inside the car was.

it just mattered that there was a person inside there. they were going to do everything they could to get me out. they didn't know whether the car was going to blow up, and they still risked their lives to save one stranger. >> reporter: his only wounds, a few small scratches. >> thank you. >> welcome. >> reporter: at a day and age when it's easy to walk by, he says he's thankful these strangers cared. for "nightline," i'm steve osunsami in atlanta. thank you for watching "nightline." much more convention coverage on gma. we're online as always at abc.com and our "nightline" facebook page. thanks again for watching and goodnight from cleveland.

when i have an asthma attack... i feel like a fish with no water. learn how to prevent your child's next asthma attack. because even one attack is one too many.