Russian planes are bombing Syrian Rebels who are backed by the u. S. And u. S. War planes are in the same skies attacking isis extremists. Four years into the syrian civil war, half of the population, 11 million, has fled their homes. Hundreds of thousand are appealing for mercy in europe. But Charlie Dagata found it is not easy. Reporter like so many refugees, mohamed bazav set his sights on germany. We met the 21yearold architecture student, five weeks ago, he crossed into hungary dodging check points. In berlin he told us he passed his first interview with german immigration authorities. Were they asking you tough questions were you in the military . Were you in the militia . Were you fighting . Were they asking you those questions . Me, no. Reporter he was given the equivalent of 800 and told to come back in january for another interview. He is not allowed to work in the meantime. Right now, there is little to stop islamic extremists from slipping in among the migrants. The police take fingerprints and check them against International Databases like interpol. So many people here without id. What anything. Reporter despite the initial warm welcome in germany there has been a growing backlash against migrants, a spate of arson attacks like this sportscenter outside berlin due to house hundred of migrants. By the time firefighters got here there wasnt much to save. The police chief said the only blessing was the beds hadnt arrived yet and neither had the migrants. The German Government has argued the migrants will provide a much needed work force to offset the need of an aging population. But gregoire, a berliner we spotted outside the Registration Center said not all germans are buying it. Thats what they are selling us these people for. That they will pay our, our, whats our pension in the future and everything. I mean, we have 5 million unemployed germans, you know. So, they want even put their own people into jobs. Reporter germanys generosity toward migrants is being stretched to the limits. Charlie dagata, cbs news, berlin. Today president obama apeld to americans to appealed to americans to help the refugees. Asking for online donations so. Far only a few have settled in the u. S. And Margaret Brennan shows us why. Reporter like many syrians, cha dim. s home was destroyed by the assad army leaving him only memories. Today the 27yearold chef no longer fears for his life. What did you think when they told you you are moving to the u. S. . Actually i was happy. My family will be safe. So, i was look very thankful for this chance we have. I feel lucky like. Reporter chadis family waited two years in lebanon before the u. S. Government completed their extensive background check. The longest interview in my life. Like seven hours. Reporter seven hours . Yes, they asked me about the last five years, what i did. Where you was work . What you were doing . All the details about your life. Reporter then came word he had passed the test. The rustmos moved 6,000 miles away to a levee middleclass section of greensboro. And they helped them teaching them english, Opening Bank Accounts and finding a home. Chadis 22yearold sister. What did you think life would be like here . Like i seen the movies. She has the faced some hostility. Giving me a hard time like my acce accent. Acting look you dont understand what i am saying. I am from a different country, why are you doing this . Reporter they worry about their brother stuck in lebanon and their 70yearold father who lives alone in turkey. Both are still being vetted. We are not terrorists. We are just like normal human. We have a family. We have a life. And we want to work. Thats what we want. Reporter today the fbi director said the u. S. Has gotten better at screening refugees to make sure they dont pose a terror risk. Scott, the white house has pledged to bring at least 10,000 Syrian Refugees here in the next year. Margaret brennan tonight, thank you very much, margaret. There is a coral crisis. Why the reefs are losing their color. And a father and child reunion. Enough pressure in here for ya . Ugh. My sinuses are killing me. Yeah. Just wait til we hit ten thousand feet. Im gonna take Mucinex Sinusmax. Too late, were about to take off. These dissolve fast. Theyre new liquid gels. And youre coming with me. Wait, what . you realize i have gold status . Do i still get the miles . New Mucinex Sinusmax liquid gels. Dissolves fast to unleash max strength medicine. Start the relief. Ditch the misery. Lets end this. Dry spray . Thats fun. Its already dry no wait time. This is great. Its very soft. Can i keep it . All the care of dove. Now in a dry antiperspirant spray. Its the final countdown the final countdown if youre the band europe, you love a final countdown. Its what you do. If you want to save fifteen percent or more on car insurance, you switch to geico. Its what you do. I will take beauty into my own hands. Olay regenerist. It regenerates surface cells. New skin is revealed in only 5 days. Without drastic measures. Stunningly youthful. Awardwinning skin. From the worlds 1. Olay, your best beautiful weve been changing things up witoh yeah. Ve. Its a pleasure gel that magnifies both our sensations. It gives us chills in places weve never gotten chills before. Yeah, it makes us feel like. Dare to feel more with new ky love. Today government scientists sounded the alarm about coral, home to a fourth of all of the life in the oceans. Jeff glor found out what is wrecking the reefs. Reporter this what a healthy coral reef looks like. This is what it looks like after its become bleached. When you go in on a bleached reef, the corals are stark white. Reporter a coral reef expert with noaa. The sound is a mazingly quiet, eerily quiet. The fish arent behaving normally. Reporter bleaching occurs when coral is exposed to warmer than there mall water. The coral gets stressed and loses its protection. If the coral remains exposed for a long period of time it can die. Noaa says climate changes the primary cause. 2014 was the warmest year on record. Coming into this year, the oceans were already warm. We saw an almost el nino in 2014, 2015. Reporter and the other factor is the warm mass known as the blob, combined with el nino is the worst bleaching hawaii has seen. Started in the south pacific, spread to the pacific and indian oceans and in the florida keys and noaa says the caribbean is next. The third time an event like this occurred in recorded history. Last were we spoked with oceanographer sylvia earl during a dive in the reef. When the coral reefies you lose the creatures that occur there and nowhere else. Its thought that we have lost thousand of species that can never be recovered. Because theyre gone. Reporter noaa believes 5 of the worlds coral could be lost this year. Scott, next year predicted to be even worse. Remarkable. Jeff glor, thank you very much, jeff. In a moment the chef who turned america on to cajun cooking. Paul prudhomme opened ape restaurant in new orleans, the restaurant was a hit and soont country was hungry for cajun. Prudhomme enjoyed his own cooking though he slimmed down in later years. Paul prudhomme died today at 75. Love is patient we are told. But she could not wait a second longer to hug her dad at fo carson. The lieutenant is just back from eight months incubate. She is excited. She spotted me from a couple rows back. And she couldnt contain her self. I wasnt going to tell her no. Happy to see her. Today is her 3rd birthday. No one in china was in a hurry which just celebrated a weeklong holiday. Half the population hit the road and apparently they all drove home on tuesday. They had to squeeze through a security checkpoint. 50 lanes, no movement. The cbs overnight news will be right back. ,,,,,,,, test. Finally tonight, seth doane brought us an answer to a question nobody asked where do buttons come from. Reporter the humble button may not seem so significant, unless of course you are in qiaotou, china, here hundreds of fam factories produce more than 60 of all buttons on earth. Sun yongliang told us we manufacture 2 million to 3 million buttons a day. 2 million to 3 million buttons a day . Yes. Reporter thats just his company malifa. Small buttons big market he told us. And sun says chinas recent economic slowdown has not really hurt button town. Translator as long as there is human civilization, sun told us, and as long as there are clothes, there will be buttons. If qiaotou is the worlds button capital, then this is the center of it all. A mall with more than 550 shops dedicated entirely to buttons. Thats where we met sun sons sean and daughterinlaw yning. Bamboo. What are some of these here . If you are keeping track, shell, horn, coconut buttons are in. But mine . Is this a decent button . Reporter is that bad . The material is much lower than the other materials. Reporter when you look at me do you look at my buttons. Yeah, first time. Reporter really . Oh, no. Another thing to think about. The couple went to university in austin, texas. But came back so they could help the family business. Our labor is increasing. If we dont change ourselves, there is no place for us to live in this world. Reporter you are trying to work smarter here . Yeah. Reporter he is introducing Computer Systems to modernize how this old business is run. This family wants to put this place on the button map. If italy is famous for its pizza, and napa for its wine, doesnt qiaotou deserve a little recognition too . Seth doane, cbs news in the worlds button capital. Thats the cbs overnight news for this friday. For some of you, the news continues. For others, check back with us just a little later for the morning news and cbs this morning. From the Broadcast Center in new york city, im scott pelley. This is the cbs overnight news. Welcome to the cbs overnight news, Republican Leaders in washington are scrambling to contain the fallout after Majority Leader Kevin Mccarthy dropped a political bombshell. Mccarthy, the hand picked successor to outgoing john boehner shocked his colleagues by announcing he doesnt want the job. The gop is in apparent disarray with no replacement and no date for a vote. Nancy cordes reports from capitol hill. Chaos was the word House Republicans used to describe their own Conference Today after mccarthys surprise announcement. We were all in shock. All members of the delegation of the conference were shocked. Reporter they had gone into the closed door meeting to elect their next speaker when the frontrunner told them he was pulling out. Mccarthy who is currently second in command said he sensed the party was too divided over his bid. For us to unite we probably need a fresh face. Reporter he had been weakened in part by his own words an apparent admission that the house benghazi investigation had a political game. Everybody thought that Hillary Clinton was unbeatable but we put together a Benghazi Special committee, a select committee what are her numbers today. The comment handed clinton a powerful talking point. Look at the situation they chose to exploit to go after me for political reasons the death of four americans in benghazi. Reporter then last night, roughly 40 hard line conservatives who called themselves the House Freedom caucus endorsed florida congressman Daniel Webster for speaker. A sign they might buck mccarthys leadership as they had speaker john boehners. That dynamic made the job distinctly unappealing. Utahs Jason Chaffetz is one of two people who say they want it. I think we have a lot of internal fracture, fracturing thats happened we need to figure out a way to unite the party. Several party elders are trying to convince wisconsins paul ryan to run for speaker. He has strong conservative credentials. But so did House Speaker john boehner and the right still accused him of caving every time he compro is mied. Compromised. Paul ryans office says he is still a firm no. Nancy cordes, following the capitol hill. The president of volkswagen was raked over the coals by a Congressional Committee investigating the vw scandal. Kris van cleave reports. Vw betrayed a nation. Time to clean it up or get off the road. I apologize on behalf of everyone at volkswagen. Reporter v. W. s u. S. Ceo michael horn told a House Committee he learned of his companys deception in september. Days before the Environmental Protection agency revealed some of volkswagens diesel cars used Software Designed to cheat on emissions tests. The investigations are ongoing, but this was not a corporate decision from my point of view. This was a couple of Software Engineers who put this in for whatever reasons. Reporter horn testified three engineers have been suspended. New york congressman Chris Collins wasnt buying it. V. W. Is trying to get the United States of america to believe these are a couple rogue engineers, i categorically reject that. Reporter epa officials were criticized. The epas Christopher Grundler defended the agency. Once we learned of excessive emissions we focused on it. Didnt ignore it. I think the American People should ask we fire you. Epa officials wonder rule out criminal charges after German Police raided volkswagens corporate headquarters. The car maker announced they would not seek certification for the 2016 diesel models in the u. S. Which means they cant be sold here. Kris van cleave, cbs news. Governor nikki haley warning residents who live along the kes to head to higher ground. The heavy rain that sparked devastating flooding may be over the water is heading downstream and carrying more misery. David begnaud was there. Reporter sunday morning an elderly woman was heading to church. She got stuck here. Before the road failed and water was moving across. Her vehicle stuck in the middle was pushed off the side and down 20 yard into a ditch where she picked up her phone and dialed 911. On sunday morning in columbia, rescue teams were overwhelmed with calls for help. I have a person in the vehicle just about to be submerged. One pickup truck with a 73yearold man inside. Reporter 71yearold clara gantt was one of those who needed help and she need it desperately. She was on her way to church when she got caught in floodwater. When did you realize you were in trouble . I realized it when my car stalled on the bridge. Reporter she called her family as Rushing Water pushed her car into the front yard of a church. I am afraid. I want to get out of this. Reporter all of a sudden she saw her grandson, Travis Catchings he secured himself to a rope and floated her way. I was so glad to see him. Ive was afraid for him too. I said, hey, mema. I smiled at her. She smiled back. She said, hey, trav. I said well get you out of here. Reporter he pulled gantt out of the car and to keep her from being swept away grabbed on to a large red cross that was in the churchyard. Together grandmother and grandson held on for four hours. While waiting, catching s recorded the moment on a cell phone. It was like being in the midst of a raging river. I cling to the cross every day. If you are wondering what happened to the red cross, it case peered. Last seen floating away. South carolinas governor told residents thursday they could expect to see flooding along the coast as early as friday. As the the high water head east. David begnaud, cbs news, columbia, south carolina. Scientists are sounding the alarm over a worldwide threat to the oceans coral. Blaming it on higher water temperature and part of the trouble may be man made. Jeff glor reports. Coral reef looks like. Reporter this what a healthy coral reef looks like. This is what it looks like after its become bleached. When you go in on a bleached reef, the corals are stark white. Reporter a coral reef expert with noaa. The sound is amazingly quiet, eerily quiet. The fish arent behaving normally. Reporter bleaching occurs when coral is exposed to warmer than normal water. The coral gets stressed and loses its protection. If the coral remains exposed for a long period of time it can die. Noaa says climate changes the primary cause. 2014 was the warmest year on record. Coming into this year, the oceans were already warm. We saw an almost el nino in 2014, 2015. Reporter and the other factor is the warm mass known as the blob, combined with el nino has caused the worst bleaching hawaii has seen. Started in the south pacific, spread to the pacific and indian oceans and in the florida keys and noaa says the caribbean is next. This tis this is only the third time an event like this occurred in recorded history. Last year we spoke with renown ed oceanographer sylvia earl during a dive in the keys. When the coral reef dies you lose the creatures that occur there and nowhere else. Its thought that we have lost thousands of species that can never be recovered. The cbs overnight news will weve been changing things up with ky love. Oh yeah. Its a pleasure gel that magnifies bo our sensations. It gives us chills in places weve never gotten chills before. Yeah, it makes us feel like. Dare to feel more with new ky love. Ohio Governor John Kasich is struggling to stay in the race for the gop president ial nomiation. He trails frontrunner donald trump by a mile. But says he expects to resuscitate his campaign in the early voting states. Kasich sat down with charlie, nora and gayle on cbs this morning. Pleased to welcome governor kasich to studio 57. Welcome. Always great to be here. Glad to have you here, governor. This is really good. We thank you for that. Lets first talk trade. As the the governor you supported trade as long as workers are protected. Do you support this bill . I think so, charlie. I havent seen all the details. The senate is going to look at it. Look, we want to have a strengthened group of people in asia to interface against the chinese. And trade can help do that. My concern about tra