Bridge a glaring deficit among women . Nightly news begins right now. The Republican National convention. This is nbc nightly news with lester holt. Reporting tonight from cleveland. Good evening. On Donald Trumps big night, his chance to sell his vision to america when he stands from the podium just across from us to deliver a primetime address later this evening. It will also be a chance for republicans to finish this convention on a high note after a week in which controversies have overshadowed the planned message including the one theyre still buzzing over in this hall this evening. The stunning moment that saw former trump rival senator ted cruz literally bood off the stage after he sidestepped a chance to endorse trump. Today cruz is smaning himself as the trump pence ticket prepares its launch from cleveland. Lets start with nbcs hallie jackson. Reporter in a ballroom, new fallout from ted cruz. Are you going to vote for trump . Reporter some texas delegates defending their home state senator. Others supportive of trump pushing cruz. What hes doing is creating that Division Just because hes mad at trump because of the personal attacks. Hed rather kill the party and divide our votes because of his personal anger because trump said bad things about his family. Reporter trumps primary attacks against cruzs wife and father, falsely implying he was involved in jfks assassination, clearly still raw for cruz who, in the primaries signed a pledge to support the gop nominee. The party has spoken. You signed a pledge. That pledge was not a blanket commitment that if you go and slander and attack heidi that im going to nonetheless come like a servile puppy dog. Reporter cruz saying hes committed to. Is that your fault . Discussing what we should stand for, what we should be standing for freedom and defending the constitution is a message of unity. Reporter cruz now clearing out of cleveland less than 24 hours after he stole the show here on night three. And vote your conscience. Reporter with those words, an eruption. I just think it was an awful performance by someone who showed himself tonight to not be a man of his word. His choice was either to be a hero of the convention and to endorse or to commit political suicide. Reporter the Trump Campaign knew cruz wouldnt endorse and still let him take the stage. Its said revenge is a dish best served cold. Last night ted cruz amended that. Revenge is a dish best served bold, capital bold in front of 40 million people. Reporter that was a remarkable moment. What did you think . Trump now brushing off the drama. His task tonight, show the party can get past it and come together. A primetime pitch from the nominee no one saw coming after a week few will forget. And tonight, when donald trump takes this stage to address the delegates here, a Senior Adviser tells me to expect some kind of dramatic entrance fitting for this convention and this campaign. Lester . Hallie jackson on the convention floor. As the drama continues to play out, donald trump preparing to give that speech of his life accepting the gop nomination today and making his most important case yet against Hillary Clinton. All of it happening as trump set off alarm bells around the world with what he said in a new interview about coming to the aid of our nato allies. Nbcs katy tur has those details. Reporter donald trump trying to wrestle back the narrative. I like that. You like it thinner . Just make sure nothing goes wrong. Reporter officially accepting the nomination tonight with an address to lay out a trump presidency. One theme, americanism over globalism. The campaign saying the speech will be run through plagiarismhoping to avoid another embarrassment after it was revealed that part of melanias speech was plagiarized. Just one moment in what has been an unruly and raucous convention. Melania after the speech gaffe expected to be back in the family vip box watching as ivanka introduces trump. Im terrified. Im terrified. Ive never spoken in a stadium like this. But really, i just want to make sure i do a great job for him. Reporter the ongoing drama between trump and ted cruz drowning out comments the candidate gave to the New York Times saying he considered not backing nato allies who dont pay their fair share. I would be absolutely prepared to tell those countries congratulations, you will be defending yourself, trump said. That drawing a sharp rebuke from nato secretarygeneral stoltenberg. Solidarity among allies is a key value for nato. This is good are for European Security and good for u. S. Security. We defend one another. Seen as a firewall against russia could invite more hostilities in the region. Republicans denounced the comment. Representative peter king argued trump will evolve. When you Start National security briefings which should happen tomorrow, are you confident he might change some of his tone on this . I think every president ial nominee, once they start getting those briefings, its been a wakeup call. Reporter though trump is now officially the nominee, hell have to wait until Hillary Clinton gets the nomination before both will start to get their National Security briefings. Lester . While most others have been using the podium behind you have used it to attack Hillary Clinton, the job of telling the donald trump story, the personal story has largely been left to his kids. I spoke to two of his sons, donald jr. And eric earlier today. Eric was the next speaker up after ted cruz was booed from the stage. And he described to me what that moment was like as he waited in the wings. Well, i was probably four feet away from him. It was amazing. The whole auditorium halfway through his speech starts chantings, trump, trump. It was electric, almost like a hockey game. A couple minutes later people are waiting for the buildup, waiting for that endorsement. He doesnt do it. He literally got bood off the stage. Did you enjoy the moment of him being booed off stage. Was there a certain satisfaction there . I was shocked that he did what he did. He comes to a convention. He doesnt really support the candidate. The Republican Party has one goal and thats to beat Hillary Clinton. I was kind of surprised by him not doing that. The trump siblings have been intimately involved in campaign strategy. I asked don jr. If he had advice for his dads primetime speech. Dad, tonight you need to do making sure were talking about party unity, conservative values, freedoms that cob vftives hold so dearly and hell be talking about those. You and your siblings have been effective trying to paint a picture of your dad. The dad that you know. At the same time, when you think about a president , strength is obviously important, but we also sometimes look for our leaders to be compassionate, to console us during national tragedy. We saw president obama in dallas a week or so ago. We havent seen that donald trump. Is this a man that can cry . Can he emote . Very much so. Can he wrap his arms around the country in times of crisis . And those who know him best, his kids, his grandkids, very close friends, you heard about it last night. Thats the guy he is. We can talk to that to some extent. Youll hear it from ivanka tonight. I think we want to see it. There comes a time when you actually have to lay the hammer down. You cant talk about everything with white fluffy pillows and everything is beautiful. Thats not the world that we live in. My father understands how serious the situation is. So theres a time and a place for all of that. He can do it better than anyone. Have you ever seen him cry . I have. Ive seen him be very emotional. And not just to family, but employees that hes taken care of and have worked for him and given him so many years of dedicated service. Part of my conversations with donald jr. And eric trump. I want to bring in chuck todd and savannah guthrie. Lets go back to the ted cruz moment. Before that he was getting a rousey reception from this crowd and a speech that when you saw it, you said its ted cruz 2. 0. And also i said 2 2020, perhaps an audition for the election in 2020. This was a ted cruz talking about broadening the appeal of the Republican Party. He said the bill of rights protects gay and straight. He invoked lincoln signing the emancipation proclamation and the passage of the civil rights act. It was clear that he had this speech that he thought would really position him well. He badly miscalculated this room. Things went a little sideways. Chuck, let me turn to you. Two audiences the one behind us and the one in the living room. Donald trump is never really worried about the audience in the living room very much when hes done these rallies because he feeds off of energy in these halls that he gives. And theyre tremendous events when youre in them. Theyre very electric. This Convention Really because of the cruz moment has suddenly gotten electric. You can tell that trumps going to feed off of it. Thats his challenge tonight. Dont get too caught up inside here and still talk to the audience abroad and try to broaden your appeal. Look, this is a big challenge for him. The other thing he doesnt want to do is be too untrumplike either. This is a very tough challenge for him. See you both at 10 00 eastern for our primetime convention coverage. Theres breaking news in the worlds of media and politics. Now official. Roger ailes, a giant figure behind the scenes in television and the gop has been ousted from his job as the head of Fox News Channel in the wake of a Sexual Harassment lawsuit by a former fox news anchor. And tonight, Rupert Murdoch himself is stepping in. Nbcs Anne Thompson reports of the shock waves being felt right now. Reporter roger ailes, one of the most powerful men in news and politics is out. The former fox news chairman and ceo toppled following accusations of Sexual Harassment. First made in a lawsuit brought by former ankle gretchen carlson. Then this week reports that fox star megyn kelly told investigators ailes harassed her when she was a young correspondent in washington. The 76yearold ailes denied the charges. Today in his Resignation Letter to Rupert Murdoch, head of Parent Company 21st century fox, ailes made no apologies and congratulated himself writing he takes particular pride in the role that i have played advancing the careers of the many women i have promoted. I think we certainly will see a profound transition in what fox news is, what it represents and its relationship with its audience. Reporter murdoch, who now takes over fox news, left Corporate Headquarters this evening without saying a word. In a statement Gretchen Carlsons attorney said, we hope Reputable Companies will no longer shield those who abuse women. On the night of his downfall, the party ailes spent much of his life promoting struggles to unify behind its most bombastic candidate, donald trump. In ailes, like trump, media, power and politics intersected. The former republican consultant created fox news from nothing, building it into a multibillion dollar juggernaut. A man who once set the rules today found the rules have changed. Anne thompson, nbc news, new york. Tonight, people across a huge part of the country are taking cover inside as a dangerous and oppressive heat wave bears down on over 100 million people. Its now moving east. Blake mccoy is in the hot tub. Reporter as hot, muggy conditions continue to bake a huge swath of the country, the heat in chicago has murial sizzling. Pretty hot, humid, not comfortable. Sticky. Reporter her air conditioning repairman is handling triple the calls. A socalled heat dome now sits over 119 million americans prompting alerts in 26 states. In minnesota on the domes northern edge, severe storms popped up overnight killing a 13yearold boy scout and adult volunteer. A tree fell on their tents during a camping trip. More storms out east where residents in hilton head had to watch out for dangerous water spouts. Theyll soon have to worry about high temperatures, too, as the heat wave expands. Really the many ko bination of the humidity along with the extremely dangerous temperatures thats going to make it feel like its well above 100 degrees through the weekend. Reporter runners in central park are already sweating. New york city trainer Josh Margolis is telling clients to rehydrate with milk as well as water. Specifically chocolate milk has gotten a lot of traction recently because of the proteins and the sugars and the carbohydrates thats in it. Reporter a useful tip as people all over the country look for ways to beat the heat. Blake mccoy, nbc news, chicago. Theres a lot more to tell you about here tonight. Caught on camera, a man lying in the street with hands up before he was shot by police. He says he was only trying to help a man with autism in his care. The twist Police Reveal in the case late today. Well have it for you. Donald trumps big i laugh, i sneeze. There goes my sensitive bladder. Sound familiar . Then youll love this. 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Quicksilver keeps things simple, gary. And smart, like you and i like that. I guess i am pretty smart. Dont let that go to your head, gary. Whats in your wallet . Back now with a new video reigniting National Outrage over the use of police force. It shows what happened before and after north miami police shot an unarmed man trying to help a patient who strayed from a group home. Late today it was revealed the victim wasnt even their target. Now its got the justice departments attention. Nbcs Kerry Sanders has details. Reporter cell video shows charles kinsey, a behavior specialist, on his back, hands in the air. By his side, a 23yearold autistic man he was trying to help. I see a white male down on the ground with a gray shirt with a black male in a green shirt, shorts. Reporter police say they were responding to a Man Threatening suicide with a gun, but kinsey yelled there was no gun. Its unknown if the actual shooting was recorded on video. A different video shows kinsey after being shot in the leg. The Police Department tonight says the officer is a 30yearold white hispanic. Kinsey spoke to miami station wsbn. Because i got my hands up, theyre not going to shoot me. This is what im thank youing. Theyre not going to shoot me. Wow, was i wrong. Reporter the miami police chief says the state will investigate. I personally have questions. I assure you we will get all the answers. Reporter the Police Union Says the officer thought kinsey was in danger with the autistic man at his side and sought to save him, but the officer missed his target. Im in shock. Reporter u. S. Representative fredricka wilson. We say to our boys and our men, if youre ever stopped by the police, freeze. What could have saved him from being shot . Reporter tonight charles kinsey, a father of five, remains in the hospital. Through his attorney i want everyone to be peaceful. Reporter kinsey is calling for calm. Kerry sanders, nbc news, miami. 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A pilot was killed today when a small plane crashed in a chicago suburb. Investigators say it hit the street and set a nearby home on fire. A woman and her dog were home at the time but no injuries were reported on the ground. Its unclear if anyone else was inside the plane. The crash is under investigation. With the rio olympics 15 days away russias track and field team has lost the appeal to overturn its ban from the games. This comes as the International OlympicCommittee Weighs a ban on all russian athletes over statesponsored doping allegations. Meanwhile, in the olympic host city, anxiety builds as Brazilian Police say theyve arrested ten people suspected of plotting a terror attack. Theres late word tonight from the nba and new fallout from the firestorm in North Carolina over that states law that limits antidiscrimination protections for lesbian, gay and transgender people. Months after the heated protests and boycott, the league says its moving the 2017 allstar game out of charlotte. A new location will be announced soon. When we come back, the women in Donald Trumps life and why seems like weve hit a road block. That reminds me. Anyone have occasional constipation, diarrhea. Gas, bloating . Yes one Phillips Colon Health probiotic cap each day helps defend against occasional digestive issues. With three types of good bacteria. Live the regular life. Phillips. So we know how to cover almost almoanything. Hing, even a romantic rodent. [rickie] a romantic what . [squeaking noises] im a sucker for proposals. And we covered it, april twentysixth, 2014. Talk to farmers. We know a thing or two because weve seen a thing or two. We are farmers. Bumpadum, bumbumbumbum as the evening session of the convention here is about to begin, finally tonight there are the women who know donald trump best, his wife and two daughters. By the end of the night all three will have made a case to the rnc for him to be the next president , but can they sway the many other women polls show are reluctant to vote for him . Our Cynthia Mcfadden takes a look. Reporter that is. Hillary clinton is killing him there by 15 . So the question tonight is his daughter ivanka is poised to introduce him at the convention, will she, halfsister tiffany, and stepmother melania, help him bridge the gender gap . There does seem to be in real concerted effort to get the trump women out in the front to say, my dad is a good person, you know, kind of trust me. Im a woman. Reporter with a stay at home wife and a high flying professional daughter, the trump women check both boxes, though with trumps three marriages, family values will be a sticky point for some republican voters. On the other hand, his kids have been a public credit to him, as mike pence said last night. You cant fake good kids. Donald trump has never done anything halfway, least of all as a parent. Reporter the hope in the camp is that his children will help with younger female voters, 70 of whom have a negative opinion of him. Look for ivankas speech tonight to stress importance to working women. Theyre putting lots of their chip on ivanka, one of her fathers closest advisers, both in business and on the trail. Hes been an unbelievable parent to me. Hes been a great mentor to me personally. Reporter she talked to nbcs savannah guthrie. What are you going to tell yourself when you walk out on the stage . Dont trip. Reporter her father hopes she wont either. Cynthia mcfadden, nbc news. That will do it for us. Im lester holt. Ill see you at 10 00 p. M. For prime fim coverage of the republic can convention. Good night from cleveland. Award winning interface. Award winning design. Award winning engine. The volvo xc90. The most awarded suv of the century. Weve seen him in shadow, on video this is a movement. And in support of his vp pick. But now its time for donald trump to seize his big moment. Oh, were going to win. Were going to win so big. The party now showing some unity. At least against ted cruz. Tonight, trump will have this crowd cheering, but will he inspire voters to head to the polls . Its the final night here in cleveland, and nbc 10s special coverage starts right now. Youre watching nbc 10, live from the Republican National convention