Worlds 1. 2 billion catholics arrived outside washington for a fiveday visit that will include the first papal address to congress. Pope francis didnt speak at the airport, but we talked to him shortly before he left rome. The vatican invited 60 minutes to have a word. We wanted to talk to the pope about his trip and his recently declared year of mercy, but we found the pope keeps his plans under his hat. What is your goal for america . To meet people, he told us, just to meet with them. What can the faithful expect from the year of mercy . The mercy of god is so great, it will surprise us all. Will you speak of immigration and the dispossessed in america . I shall talk about what the holy spirit will inspire me to say. As we reached out with a parting gift, we were surprised to hear the one request made by a pilgrim before his first trip to the United States. Pray for me. I need it. God bless you. The popes blessing. Conveyed on to millions of americans in week, and chip reid is covering in washington. Reporter on his first visit to the u. S. , pope francis received a rare tarmac greeting from president obama, Vice President biden, and their families and a group of School Children bearing flowers. 1,000 onlookers cheered and chanted his name. The pope flew in from cuba, which was a symbolic stop, stemming from his role in normalizing relations between the communist country and the u. S. During a News Conference on his plane, pope francis was asked if he would press the u. S. Government to lift its trade embargo. My desire is that they end up with a good result, he said. But he said he did not have plans to specifically mention the issue while in washington. Uplike most dignitaries who travel in limos or massive armored s. U. V. S, the pope left the airport in a modest fiat, waving to the crowd from the back seat, a boyish grin on his face. Arriving at the Vatican Embassy in washington, his home for the next two days, pope francis was greeted by children from local catholic schools. Francis is 78 years old, but youd never know it. His schedule in washington is jam packed. Tomorrows highlights include a morning meeting at the white house with the president and an address to 15,000 guests on the south lawn. That will be followed by a papal parade in the pope mobile. Hell also bless this tiny chapel at Catholic Charities, where we interviewed monsignor john enzler. Will that be a high point in your life . This is it, baby. I mean, for all of us whoare part of the Catholic Charities this is going to be our high point. The pope coming to Catholic Charities, the pope to visit us, it is a complete overthetop experience. Reporter later this week, pope francis will fly to new york city where hell address the united nations, and, scott, a senior have the official tells cbs news that one keep topic will be the global outbreak of violent conflict, which francis has compared to world war iii being fought piece by piece. Pelley chip reid in washington. Thanks, chip. Cbs news will bring you live coverage of the pope popes wee to the white house tomorrow moarming at 8 45 eastern time. Today, donald trump said that he would welcome muslims in his administration. In an interview for 60 minutes, we met the frontrunner for the republican president ial nomination in his new york apartment, and we asked why he didnt respond to an antimuslim remark at a recent rally. We were with you in New Hampshire when that man stupid. Yes. Pelley and said, we have a problem in this country and its muslims. You the that pass, and i wonder what that tells us about you. Well, he said much more than that. That was part of the statement. He then went on to say other things. Pelley but the bigotry part. Look, he said mostly about obama, that whole request i dont have to defend president obama. Hes not going to defend me. So whether you agree with the man or dont agree and there were people in that audience, as you probably noticed, that did agree with him. Pelley it was a testing moment for a man running for president. I dont think so. Pelley here you had a bickiot. You dont know that. Pelley who you could slap down. He asked a question. You dont know hes a bigot. Pelley a problem in this country and its muslims. Let me ask you, he said, there are problems in this country and its muslims. I love the muslims. I have many, many friends, People Living in this building, muslims, theyre phenomenal people. But like everywhere else, you have people where there are problems. We can say there are no problems with the muslims. There is no terrorism. There isnt anything. They didnt knock down the World Trade Center. To the best of my knowledge, the people that knocked down the World Trade Center they didnt fly back to sweden. Pelley trump will tell us about his tax plan, immigration plan, and proposals for creating jobs, all of that this sunday on the 48th season premiere of 60 minutes. Trumps closest republican rifle now is Carly Fiorina, the former c. E. O. Of hewlettpackard. She rocketed into second place after her primetime debate debut. Major garrett caught up with her today in south carolina. These are complex issues that are important for people to understand. Reporter at the citadel in charleston, south cairms, Carly Fiorina spent an hour diving deep into the details of her National Security and foreign policy. Clearly, iran wants to be the regional hegemon of the middle east. We know we need about 50 army brigades. We know we need about 36 marine batall yons. We know we need somewhere between 300 and 350 battle ships. Reporter fiorinas ascebdance has come largely on the strength of her debate performances. Theres a sense that your campaign is not fully organized, in the early stages, that you are a debate phenomenon candidate. Would you evaluate that for me . Well, i totally disagree. One of the things that i am keenly aware of is that debates do not win elections. Voters do. And because voters win elections, you have to have people on the ground too get the vote out. We doll that. Reporter the people on the ground for the fiorina event we saw did not work for the president ial campaign but for the superpac, carly for america. Under federal law, superpacs cannot coordinate with president ial campaigns. Scott, fiorina insists they are not. Pelley Major Garrett in charleston. Thanks. Today, volkswagen admitted it rigged 11 million cars to defraud pollution tests. The u. S. Justice deparment is looking into criminal charges. Heres more from kris van cleave. In my german word we have totally screwed up. Reporter volkswagens u. S. C. E. O. Michael horn said whats become painfully clear for the Worlds Largest automaker our company was dishonest with the e. P. A. , and the California Air resources board. And with all of you. Reporter the 11 million cars with software to cheat u. S. Emission standards are diesel versions of five popular models. The company said it is moving full speed towards finding a fix and has set aside more than 7 billion to deal with the problem. Thats about half a years profits. But its facing up to 18 billion in possible fines. The software senses when a vehicle is undergoing emissions tests and reduces the pollutants being released but when driven, the e. P. A. Found emissions 10 to 40 times above acceptable levels. The damage to volkswagen is going to last for years. Reporter Clarence Diltow runs the center for auto safety. This is so clearly a deliberate act by executives at volkswagen, that there needs to be criminal penalties. Reporter volkswagen c. E. O. Apologized again today in germany. Scott, he could learn his fate tomorrow at a board meeting. Pelley kris, thanks very much. This is not a safety issue. The cars wont crash but there is a danger to health. Heres ben tracy. Reporter this is what los angeles looked like in the 1980s beachgoers and buildingings shrouded in smog. Nearly 30 years later, you can see the impact of the toughest emission standards in the country. How long will this test take . Reporter diesel emissions, the kind volkswagen now admits covering up during tests, are the largest contributor to airborne cancer risk in california. Thats why the state requires cleaner burning gasoline and strict controls on diesel vehicles. This is an issue of public health. Reporter stan young is with californias air resources board. Because of its strict regulations, between 1990 and 2012, the amount of diesel particles in the air dropped 68 in california. That helped lower the overall cancer risk from toxic air pollution by 76 . Young says v. W. s admission proves why testing is so important. Without this kind of really decisive testing, we wouldnt be able to find when theyre cheating and when something is broken. Reporter california regulators are now working with volkswagen to recall all of the vehicles that no longer meet californias requirements. Scott, they estimate that could be up to 60,000 vehicles. Pelley ben, thank you. Today, the European Union approved a quota system for relocating 120,000 refugees yoos the continent. Its just a fraction, though, of those who surged into europe to escape war and poverty, many of them from syria. Holly williams has been investigating this crisis, and shes discovered refugee children forced into labor in turkey. Reporter in a basement in istanbul, a Textile Factory hums can activity, staffed almost entirely with syrian children. Filming with a hidden camera, we found workshop after workshop in turkeys biggest city all using Syrian Refugees, some as young as 10. This boy said he came from wartorn aleppo. Hes now safe from barrel bombs and terrorists, but not from exploitation. Syrias nightmarish civil war has driven millions of people from their homes, including more than two million who fled across the border to turkey, but poverty has compelled many Refugee Families to send their children to work, turning their sons and daughters into bread winners. One of them is hussein omar, who fled syria last year after his neighborhood was shelled. At 10 years old, he told us he works a 12hour day, sometimes six days a week, selling vegetables. Do you know how to read and write . No, he told us. He only had one year of school before the war began. Would you like to learn how to read and write . Yes. Reporter but as long as syrias civil war rages, the chances of hussein ever getting an education are slim. We filmed hussein with our hidden camera at work in the market. His wages of 25 a week help buy bread for his family of nine. A little boy toiling long hours for low pay and a bleak future. Like so many other boys and girls still victims of a war they came here to escape. Many of the syrians now making their way to europe first sought refuge here in turkey, in some cases staying for several years. But, scott, with little hope of a better life for their children here, its no wonder that tens of thousands of Syrian Refugees have paid human smugglers to get them to europe. Pelley Holly Williams with remarkable investigative reporting for us tonight. Holly, thanks. A c. E. O. Tells us why he jacked up drug prices 5,000 . And well take a closer look at the popes ride when the cbs evening news continues. Guess what your Insurance Company will only give you 37thousand to replace it. 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In one instance, he raised the price of a drug used by aids patients from 13. 50 a pill to 750. Don dahler asked him why. Reporter 32yearold former Hedge Fund ManagerMartin Shkreli thought the drug daraprim was underpriced. The medication is used to treat a disease that can be fatal to those with a suppressed immune system, such as cancer and h. I. V. Patients. Last year, fewer than 9,000 prescriptions were written for the pill help his company, turing pharmaceutical, bought daraprim this year and immediately jacked the price up more than 5,000 . If theres a company that was selling an aston martin at the price of a bicycle, and we buy that company, and we ask to charge toyota prices i dont think that should be a crime. Reporter and its not. The f. D. A. Has no authority over drug prices. In february, Valeant Pharmaceuticals raised prices for two newly purchased heart drugs 212 and 525 . Two years ago, Horizon Pharma increased the price of vimovo pain tablets, 597 . In fact, since 2008, nongeneric Prescription Drug prices have soared by 127 . But right now, its a free market, and its up to each company to decide what price is proper. Reporter he says his company will use the profits from daraprim to develop other medicines. Theres no doubt, im a capitalist. Im trying to create a big drug company, a successful drug come, a profitable drug company. Reporter you see how greedy this move looks. I can see how it looks greet grooedy but there are altruistic properties to it. Reporter in what way. In these profits we can spend the upside on patients who sierra leone need a new drug in my opinion. Reporter both leading democratic contenders are proposing federal rules regulating how Prescription Drugs are priced and marketed, but, scott, apparently bowing to all the outrage, late today shkreli, said he would be open to lower the drug price. Pelley don, thanks very much. How do american catholics feel about their pope . We ask them when we come back. 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He is actually living the sort of faithful and humble life that hes called to. Reporter she cheers each francis pronouncement from Climate Change to income inequality, and prays for more. Where is he leading the church to . I think hes actually leading us back. I think hes leading us back to where jesus left off. Reporter fleming is among the 53 of american catholics who say the church is in touch with their needs, and the 79 who approve of its direction. Im quite content to have that direction be brought in line with the ministry of jesus. Reporter mary anne hackett, president of catholic citizens of illinois, does not share flemings enthusiasm. Are you uncomfortable with this pope . Yes. Its sort of like anxious, not knowing exactly what hes going to do next. Reporter well, is he doing damage . Well, well see, wont we . Reporter hackett is among the 9 of american catholics who disapprove of the popes direction. What do you think of his pronouncements on Climate Change, for example . I think hes wrong. Reporter and hackett says the pope leaves the impression that unshakable doctrine is up for discussion. Are you surprised that 63 of catholics say the condition of the church in the United States is excellent or good . Yes, i dont think they know what theyre talking about. I think the condition of the church in the United States is very iffy, very iffy. Reporter among the strongest supporters of the argentine pope are american hispanics, and, scott, in heavily latino los angeles, the archbishop says that last year, there were more infant baptisms than in new york, washington, philadelphia, and chicago combined. Pelley Dean Reynolds reporting for us tonight. Dean, thank you. Riding along in the popemobile next. When a moment spontaneously turns romantic, why pause to take a pill . And why stop what youre doing to find a bathroom . Cialis for daily use, is the only daily tablet approved to treat erectile dysfunction so you can be Ready Anytime the moment is right. 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Because we stick with them. Humana medicare advantage. The plan people stick with. Pelley the pope began his u. S. Visit not in a fancy limo but a modest fiat. He is driven to humility. Bill plante has a look now at how popes travel. Reporter for centuries, popes were carried on the shoulders of the faithful. Pope paul vi complained the swaying motion made him sea sick. It was pius xi who added motorized vehicles to the papal fleet. In 1930, mercedesbenz gave him a converted limousine. A Lincoln Continental was used for the first papal visit to the u. S. In 1965. But after the assassination attempt on Pope John Paul ii in 1981, everything changed. Andreas widmer was a member of the swiss guard which protects the pope. The Immediate Reaction was to close. They put Armored Vehicle glass around the popemobile and everything. Reporter Pope John Paul didnt care for the name popemobile. He thought it undignified, but soon, wherever the pope went, youd find a popemobile, and popes have often chafed at the security measures. Pope francis has called the popemobile a glass sardine can. The security for the pope needs to optimize security while not hindering his ministry. If you dont let the pope do his ministry, hes not the pope anymore. Reporter so the Popemobile Francis will use on this trip is much like the one he used in ecuador earlier this year, a specially built jeep wrangler, open and unarmorred. That might keep Security Officials up at night, but not the pope. He told an interviewer, its true that anything could happen, but he added, lets face it, at my age i dont have much to lose. Bill plante, cbs news, washington. Pelley and thats the cbs evening news for tonight. Our coverage of the popes visit continues tomorrow. Well be reporting from washington. Until then, for all of us at cbs news all around the world, good night. 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Also, brians new man caught texting. Then, chemo, cancer, no hair. Two stars, two cancer survivors. Joan lunden after 16 rounds of chemo. And tv chef sandra lees