Nomination. Reporter bidens friends say he had desperately wanted to run for president he had even talked to supporters about launching a campaign but always hanging over his decision was the grief surrounding the death earlier this year of his son, beau. You could see biden still struggling with the loss in an interview last month with stephen colbert. But i find myself you understand it, i just sometimes, it just sort of overwhelms you. Reporter today in the rose garden, with virtually all of the president s and Vice President s senior advisers looking on, biden said his family is now in a better place. Sooner, rather than later, when you think of your loved one, it brings a smile to your lips before it brings a tear to your eyes. Well, that is where the bidens arartoday. Thank god. Reporter in fact, much of bidens announcement sounded like a campaign speech, including two clear messages to Hillary Clinton. One on what she said in last weeks debate when asked to name her favorite enemies. Well, in addition to the nra, the Health Insurance companies, the drug companies, the iranians, probably the republicans. I dont think that we should look at republicans as our enemies. They are opposition. They are not our enemies. And for the sake of the country, we have to work together. A big day there at the white house. And jon karl with us live. Jon, you know the numbers. Joe bidens decision immediately impacting the race. The most recent abc news poll showing in a threeway race, clinton gets 54 , bernie s sders 23 , joe biden, 16 . But with biden outf the racece youuee there, clintons numbers jump ten points to 64 . Jon, wee all learned of that phone call today from Hillary Clinton to the Vice President . Reporter that right. Hillary clinton called biden not after he walked out of the ro garden and then she put out a stateme saying, if i kno jo h will always be on the fron lines and always fighting for all of us. Andalso, if you know Hillary Clinton, younowt she would like toee a j biden endorsen and so an s j bid fighting f her. Well seeut th the meantjo stay with us republics reacng to t announceme, too. Dold tru tonigtweeting biden mehe rht deon, addinge rather run ain hillar clintonecau o h record. D w numbers prompti t washingt post to as is it time to conde that Donald Trumps liky to w t nominati . And here they are. The new a news washinon popost llumrs showing republica nowow say the expect trump to be the nomom. 43 say he h the best ance of winning the gener election. Their top pickor strongest leader. They also s hes best on immigration, and t republica who understands the best. Some very strong polling for trump tonit. So, jon, here is the question. The republican party, whenthey see these number do theyhink this c eventually dond trump versus Hillary Clinton . Reporter well, Republican Leaders in this town hav been in denial for a long time, saying trump cant win the nomination. Unow longe hear tha said with confidence they are starting t ceo term wit the fac tt he may be their nominee,david. He hasee the frontrunne for thre solidmonths th i n l a flashn t n. Llrigh jon k whs togh d n,nkyo and ne other morhene wng a t hr. Ngremaul rnine willonunni spear o thee, bitit ifictwarnings. Repoed o il trr eest,ut ie. Thubnsn c cessn sasow sidght wel ryai or opihi to ctind ,hey ld n. Repter as congrsman paulyan ced e fima sired do is w rectan. If ian truly be a unying figure, then i wl glly rve. Reporr last nigh het do cle gund rules. First and forest,nitymong hifellowepubcans we need to do this as aeam, and it needs to include fixes th ensurwe dnot rice cotanteadehip allenges and crises. Reporter halso sought to set limits up front in his own workife nce. I cannot and will not give up my family time. Reporter those demandsont sit t ll with some voc consertives. If i knew it t s a paul ryan rally for speaker of the house, i wouldnt be hehe. Reporter this afternoon, ryan met the socalled Freedom Caucus, Tea Party Members who bedeviled speaker john boehner. What do you think of the conditions that he laid down . I tnk he doesnt want the job. Reporter one of the Freedom Caucus leaders told me theyre perfectly fine holding out for a leader who will listen more to them. We are going to find a speaker and we are going to find a good speaker, who might be paul ryan, it might be somebody else. Reporter so, this is now a test of wills. Ryan probably has the votes he needs to become speaker, even without the Freedom Caucus, but the question is, does he want the job without their full pledge of support . David . David wright live on capitol hill tonight. Thank you. And we move now to the other news this wednesday night. And we have breaking news from that manhunt in arizona. A deadly case of road rage and we have just learned a person of interest is now in custody. Two drivers reportedly cutting one another off down a stretch of highway. E of them, a father who had just picked his children up from school. The other driver then reporordly shooting, you n see the bullet le there in the wiwiow, a 4yearld girl was killed. Abcs ryan owens is on the scene tonight. Reporter she is the face of the most hetbreaking case of road rage anyone can remember. And tonight, word of a possible break in her murder. Theres an adult holding, it looks like an unresponsive child. Reporter the also just leased this 911 call of a motost who saw what happened to 4yearold lily garcia. Her father just picked her up from her seconday of school on tuesday. She and her 7yearold brother isaac riding in the back of this pickup when lily was shot in the head. I cannot imagine being the father of little lily. Reporter police say lilys father and another driver kept cutting each other off as they were approaching an exit on interstate 40. Police say the other driver pulled up next to the family and opened fire. Detectives havav been looking for aa white or hispanic man in his mid 20s to early 30s. Last seen driving a dark red toyota sedan with a spoiler and tinted windows. The police chief is begging witnesses to come forward. So is lilys mom, in this anguished statement. I need to catch t individual who took my baby from me. Reporter the mayor, the city council and the fbi tonight are offering a 25,000 reward. This city coming together to catch a child killer. David . Ryan owens tonight. Ryan, thank you. We turn next to the new York City Police officer shot and killed in the line of duty and the stunning new tapes. The radio calls after gunshots rang out. The young cop, a Third GenerationPolice Officer, killed. The fourth nypd officer murdered in 11 months. Abcs lynninziesey davis tonight. [ gunshots ] reporter gunshots and grief captured on police radio. 104, i got a cop down reporter playing out in real time, a police chase and shootout that c cims the life of neneyork Police Officer r ndolph holder. His partner breathless and in distress. My partner is down reporter it started out as a gunfight between rival gangs tuesday night. We heard a bunch of gunshots. It was pretty chaotic. Reporter the suspects fled, onof them reportedly stealing a bike at gunpoint. Holder spots the suspect, tyrone howard. And then, an exchange of gun fire. A recovered firearm with blood on it and a bicycle. Reporter holder suffers a fatal bullet in the forehead. In 11 months. Thats about as bad as it gets. Reporter as his body left the hospital, dozens silently saluted holder, a Third GenerationPolice Officers. He should have been closing on a house in the next month. All of that is down the drain. Reporr police say the man was a career criminal. A judge opteded to put him in rehab instead of behindbars. David . D . Linsey davis with us night. W w turn now to College Basketball coach rick pitino. S te engulfed in scandal tonight. Allege games of College Players wooed by escortsnd dancers. What did the coach know, if anything . Abcs ryan smith with what pitino is saying now. Reporter tonight, louisville coach rick pitino under fire after bombshell allegations this former assistant coach on his team, andre mcgee, hired dancers and other women to woo recruits. You have got to fire rick pitino. Reporter questions of what pitino knew of the scandal, and when, after this woman, selfdescribed madam kakatina powell, told espn that she and several other women participated in sex acts with recruits, team members, and even some of their fathers. Four years, a boatload of recruits, a boatload of dadaers, loud sic, alcohol, how could rick not know . Reportete powell saying she was paid thousands of dollars by mcgee to organize nearly 22 parties during a fouryear period. Her own daughters claiming they, too, participated. We went into another room and had sex. Reporter the hall of fame coach maintaining he knew nothing of powells claims, now pleading with mcgee to come clean. Theres only one person who knows the truth and needs to come out and tell the truth. Powell admits shes never met pitino and doesnt know if pitino knew about the parties. The university, the ncaa and local authorities are conducts investigations and louisville and mcgee are declining comment. David . Ryan, thank you. Hail, high winds, thunderstorms, up to ten inches of rain expected in parts of texas in the coming days. Look at this. New images this evening from el paso. The rainbowhere in the background. In n n mexico, what looks like snow in this familys backyard, but that, again, is hail. And the street flooded. Lets get right to rob tonight, because there are real flooding dangers. Reporter worried about flooding in texas, an area that could use the rain, but it could be too much at one time. Three areas of moisture coming in. A Tropical Storm that is going to be a hurricane, a storm from the west and waves of moisture from the gulf of mexico going to converge on texas. Flash flood warnings for texas and oklahoma city. Six to ten inches. This is an area that saw terrible flooding this past spring. Going to get more rain and flooding issues. Tracking this right through gma. Rob, thank you. In the meantime tonight, we move on here, to a very rare look inside one of the most oppressed regimes in the world. Tens of house risking their lives to escape the Southeast Asian nation of myanmar. Many stranded on boats for several weeks this summer. Our cameras showing the lives of men, women and children of a Minority Group forced to live in oppressing cacas,escribed as outdoor prisons. Amnesty International Just today warning the situation is about to worsen. And so tonight, abcs bob woodruff makes his way to a place most journalists are forbidden to go. Reporter were on our way into a highry preaggressive area ofyanmar to see firsthand what is happening with the minority. Population of over 1 Million People desperate and on the move. Willing to risk death and slavery to escape. Journalists are almost never allowed in this area. Matt smith, an activist and founder of fortify rights, is taking us in. Not an easy trip to get. The best option is to force death, torture or other abulss at sea a a in thailand jusus to escape. Repororr this has been called the worldd largest outdoor prison, homeo overr 140,000. They cannot leave the camps to attend school, work or seek medical care. Children born gh the camps are not issued birth certificates. They are surviving on very little. Very little. Reporter we met a young mother of five. She and her children were stranded on a cargo boat for 50 days over the summer. Children were beaten by these traffickers. Yes, she said. If they cried for rice or water, they were hit. Trafficking is a big business here. If i wanted to be trafficked out of here, how much would it cost . How much would i have to pay . He said it would cost me about 2,000 u. S. Dollars. Here in the camps, the children but for nono they must stay in the camps, enjoying whahathey can. Once t t rain stops, thousands of men, women and children will take to the water again, willing to risk it all for a chance at a better life. Bob woodruff, abc news, myanmar. An extraordinary portrait we rarely see and you can see bobs full report tonight on nightline. In the meantime, back here at home tonight, the cia chiefs stolen emails reportedly showing up online. Wikileaks post what appears to be unclassified documents, allegedly taken from a personal account, cia drek tomorrow john brennan used years ago. The material reportedly including a security clearance application containing personal information. There is still much more ahead on world news tonight this wednesday. The safety recall one mother says she did not get about her car until it was too te. Trapped in her car for days after plunging 300 feet down a ravine. Youll hear from her and what that recall was for. Also, the nudew medical headline. And the important study about cheese and our addiction to it. And the trick or treatmenters are coming. And apparently so is an asteroid this halloween. Well be right back. Why do so many People Choose aleve . Its the brand more doctors recommend for minor arthritis pain. Plus, just two aleve can last all day. Youd need 6 tylenol arthritis to do that. Aleve. All day strong. Here at humana, we value sticking with things. When something works, people stick with it. More people stick with humana medicare advantage. Because we stick with them. Humana medicare advantage. The plan people stick with. Get fastacting, longlasting relief from heartburn with it neutralizes stomach acid and is the only product that forms a protective barrier that helps keep stomach acid in the stomach where it belongs. For fastacting, longlasting try gaviscon. Were going to turn next tonight to the auto recall one mother of four says she did not abcs gio benitez on the horrific accident. Reporter tonight, 45yearold kristin hopkins, who survived six days trapped in her wrecked car and ultimately lost her legs below the knees, is taking on automotive giant gm, claiming the 2014 accident was the companys fault. I woke up on the roof of my car because it was upside down. Reporter her 2009 chevy malibu plummeting 300 feet from this colorado road. Writing on an umbrella, need doctor, hurt and bleeding. How do you survive that . The sheer will to live. Hoping to see my kids again. Reporter her lawsuit just filed alleges that the power steering and electronic stability control failed. We think that had these failured not occurred, then this crash wouldnt have happened. Reporter in fact, gm has issued safety recalls for the same problems she alleges she had with the 2009 malibu, but she says, she got her first recall letter from gm nearly three months after her accident. The second, just weeks ago. What is your message now to gm . Basically, why did this happen . Reporter and just tonight, gm tells us theyre taking this very seriously. But they want to look at that car to see what happened and why, david. All right, gio benitez with us tonight. Gio, pu. When we come back here, the popular diet that might keep your brain from shrinking. Also, trick or treaters arent the only ones coming this halloween. Apparently, an asteroid. The big headline from nasa tonight. Of a flare was almost always on my mind. Thinking about what to avoid, where to go. And how to deal with my uc. To me, that was normal. Until i talked to my doctor. She told me that humira helps people like me get uc under control and keep it under control when certain medications havent worked well enough. Humira can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections and cancers, including lymphoma, have happened; as have blood, liver, and nervous system problems, serious allergic reactions, and new or worsening heart failure. Before treatment, get tested for tb. Tell your doctor if youve been to areas where certain fungal infections are common, and if youve had tb, hepatitis b, are prone to infections, or have flulike symptoms or sores. Dont start humira if you have an infection. Raise your expectations. Ask your gastroenterologist about humira. You cant predict. The market. But at t. Rowe price, we can help guide your investments through good times and bad. 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To the index of other news tonight. The popular mediterranean diet, fish, vegetables and olive oil, not only good for your heart, but a new study says it helps prevent our brains from shrinking as well age. And something also in that diet, by the way, cheese. Tonight, new science revealing why we like it so much. Researchers saying cheese can be as addictive as some drugs, affecting the same areas of the brain. And a headline about halloween tonight. A different kind of scare, perhaps. Nasa saying a massive asteroid will buzz by earth on october 31st. Missing us by a mere 300,000 miles. Thats a little further away than the moon. A little too close for comfort. When we come back here tonight, the new host of the oscars revealed, and in a moment here, the jokes that already had us laughing. Why pause to take a pill . And y stop what youre doing to find a bathroom . 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Reporter rock is still best known for his edgy, high velocity standup comedy, often about race. Black movies dont have real names. You get names like barbershop. Thats not a name. Thats just a location. Reporter chris rock first hit it big in the early 1990s on saturday night live. Here come ss nat. Reporter hes now 50 years old. So, has he mellowed . Going to give out oscars in the parking lot. A drive through oscar lane. Oscar and a mcflurry and keep it moving. Reporter probably not. Well find out in february. Ron claiborne, abc news, new york. And we thank you for watching here on a wednesday night. Im david muir. We hope to see you right back here tomorrow. Until then, have a good evening. Good night. Cloudy skies from the Ho Chunk Centre in downtown sioux city. The satellite and radar shows that a few showers earlier today have dissipated now. Mostly cloudy skies can be expected tonight. The temperature will be 58 at 10 pm, 53 at 2 am, and 52 at 6 am. Ill be back in a few minutes with a look at how much rain is coming to siouxland. But now, heres local news that matters jenna good evening and thank you for joining us tonight im Jenna Rehnstrom tim and im tim seaman a study conducted by the university of tennessee says corn ethanol may not be as eco friendly as once believed and may be leading to water and soil problems jenna abc 9s bria bell visted Valero Renewables in hartley today and has more details. Bria valero says that studies like this always comes along and that they make a special effort to communicate with farmers to ensure that the corn crops are of good use. Though there are positives and negatives with anything. Right now they say corn is the cream of the crop. Studeis like this always talk abouth things that could be, or what we should do in the future or here is a different alternative. Were more concerned with whats happening right now and making sure that our customers can pull up to our stations and get filled up and get on the way, said day the study also found that the renewabel fuel standard a law put in place to monitor how much Renewable Resources are used, might not be helping at all. And valero seems to agree. As of now, the rfs allows 10 percent of renewable fuel to be combined in the mix first of all that mandate should be based on a realistic number. It should be based on how much fuel the counrty actually uses and then decide how much that is going to be and if you want to use 10 percent ethanol, then 10 percent of that, that should be your mandate. Not pick some random number or some aspirational figure and try to hit it because that hasnt work, weve done that in the past and thats not really working. The demand for corn ethanol which has increased by about 10. 3 billion gallons since 2005 seems to have a non existant future but thaqt could not be any more false says bill. Corn is not the only renewable source that can be transformed into a fuel. Brazilian ethpnal which is made out of sugar cane is another alternative available, but its not as cost efficeient for the u. S. So youre talkingabout importing fuel from south america all