The zika forest in uganda in the 1940s, is linked to serious birth defects. Dr. Jon lapook has the latest. The zika virus. Reporter today the World Health Organization sounded an alarm about the zika outbreak. Director margaret chan. Questions abound. We need to get some answers quickly. Reporter the organization will convene an emergency meeting monday to plan its response. The zika virus, which is linked to children being born with small heads, poses several challenges. Right now, diagnostic tests arent perfect. Theres no treatment, and theres no vaccine. Dr. Anthony fauci, head of the Infectious Diseases branch of the n. I. H. , says the outbreak is a pandemic. You have multiple countries in south america and the caribbean, so by anybodys definition, that would be considered a pandemic. Reporter theres concern the virus will eventually be found in mosquitoes in the u. S. South america and in the caribbean, sooner or later were going to see a local transmission. Reporter fauci says controlling mosquitoes that could carry zika is key, and the United States has one big advantage. Most of the United States goes through a real winter, and thats very, very important in containing mosquitoborne viruses. Reporter 35yearold ana palazzo is pregnant with twins. Two months ago, she cut short a trip to brazil and returned to new york. I want my babies to be safe, and i was very anxious about it. I didnt feel safe there. Reporter dr. Fauci says were not likely to see the same widespread zika Virus Outbreak here in the u. S. As in brazil. We can better control mosquitoes, but, scott, there are a lot of unknowns, and the Health Care Community is watching this very carefully. Pelley dr. Jon lapook. Doctor, thanks very much. Donald trump is a master of hes aiming to run away with it. Tonight as seven republicans debate in des moines, he is holding a simultaneous event billed as a veterans benefit. Its a highstakes gamble in his neckandneck race with ted cruz just four days before the caucuses. Heres major garrett. Reporter in South Carolina last night, donald trump played up his counterprogramming move against the fox debate. From here, where do i go . On to iowa. What am i going to do there . Who the hell knows. Were going to. You know what were going to do . Were going to raise a lot of money for the vets. Thats what were going to do. Reporter fox news scrambled to pull trump back on the stage, using bill oreilly to plead its case. Forgive, go forward, answer the questions, look out for the folks. Just want you to consider it. Reporter the Trump Campaign has not said what veterans groups would benefit from his event tonight, but some have said thanks, but no thanks. Peter kaufmann is with the veterans are not a political prop that they can trot out and exploit because they dont want to answer tough questions. Reporter trumps top competitor in iowa ridiculed the g. O. P. Frontrunner. He doesnt want to answer questions from the men and women of iowa about how his record doesnt match what he is selling. Reporter Chris Christie faulted trumps hairtrigger temper. This is a few days before the caucus, and the candidate leading in some of the polls decides in a snit not to come. Thats not respectful and its certainly not president ial. Reporter rand paul has clashed with trump before. Hes already hedging his bets because hes used to buying politicians. Well, ive given him plenty of money. Reporter he predicted more time tonight to discuss shrinking the size of the government. Im concerned about the debt. Im concerned about the government leaving us alone. The back of the pack still clings to hope. Can jeb bush be a surprise story here on caucus night . Yes, because the expectations are so low. Well, you have succeeded there, governor. Mission accomplished. Reporter rumors have run wild all day about a possible lastminute truce between fox and trump. Scott, moments ago Trumps Campaign manager told us, mr. Trump is not participating in the fox news debate. Pelley seems clear. Major garrett, thanks very much. By the way, cbs news will be carrying tonights trump event on our 24hour digital news service, cbsn. It is available on all devices at cbsnews. Com. And cbs news will bring you the next g. O. P. Debate. Saturday evening, february 13th, live from greenville, South Carolina. John dickerson is the moderator. Now to the democrats. Today, the underdog got whacked with a newspaper. We should move to a medicare for all single payer program. Reporter his unapologetically liberal views attract supporters by the thousands, but in a stinging takedown of bernie sanders, the Washington PostEditorial Board called it an act. Mr. Sanders is not a brave truth teller, they wrote. He is a politician selling his own brand of fiction by obscuring the true cost of his generous proposal. Do they have a point in do voters deserve to have more specifics about how much more in taxes they would pay in a Sanders Administration . Well the answer is voters deserve as much information as we can possibly give them. Reporter senator sanders has released some details. Hed finance Free Public College tuition with tax on what he calls wall street speculators. Hed finance his medicare for all Health Care Plan by charging businesses a 6 incomebased premium. Individuals would pay 2 . Republicans to raise taxes . I think we can convince the american people, in the year 2016, all of our kids should be able to go to public colleges and universities tuitionfree. Reporter the editorial plays right into a case that clinton makes that Campaign Events like this one all the time. She argues that his ideas look good on paper but will never work in the real world. By now, though, scott, roughly half of Iowa Democrats are siding with him. Pelley nancy cordes on the trail in iowa. Nancy, thank you. Today teachers in detroit sued the School District over what they say are unsafe conditions. They had been staging sickouts, forcing most of the schools to close. Adriana diaz reports that many parents are with them. Reporter after weeks of protests over dilapidated buildings and classrooms where kindergartners are wearing parents say a lawsuit was their only remaining choice. Ivy bailey is interim president of the Detroit Federation of teachers. Educators have been snubbed, ignored, disrespected, and punished when they informed the School District of specific safety and health problems. Reporter the teachers cite mold, maggots in bathrooms, mice and mushrooms that once sprouted in a classroom as common problems. Todays complaint states that schools are risking Childrens Health and safety. It says some students have suffered from respiratory illness, Chronic Fatigue and stomach pains. The lawsuit demands repairs and the removal of darnell earley, the governorappointed schools emergency manager. Last year he went from being the emergency manager of flint, which is now having a contaminated water crisis, to managing detroits school system, which is half a billion dollars in debt. Enough is enough. Reporter Shoniqua Kemp and plaintiffs in the suit. She blames earley. This emergency manager stepped into a situation where there is no money. Im not a millionaire, so sometimes i have to find ways to shuffle my money around the make things work. He went to school for this. He signed up for the job. He should, at the very least, do it. Reporter earley denied our request for an interview, but in a statement he said he is working to reduce the School Systems debt. Scott, he has 28 days to respond to the lawsuit. Pelley adriana diaz for us tonight. Adriana, thank you. Another rickety boat today filled with migrants sank off of greece. 25 drowned, ten of them children. A harsh winter has not slowed migrants escaping war and poverty. Volunteers are rescuing as many as they can, and Holly Williams set sail with them. Reporter they were so desperate to reach europe that this group of 57 migrants and stranded themselves on a cliff on the greek coast. Winter is normally the quiet period here on the greek coastline, but this year the rescue teams have been taken by surprise, because in january, around 50,000 people made the dangerous crossing. Thats over 20 times more than last january. This months death toll is now more than 170, including some who tried the make the risky voyage at night and drowned when their boat capsized. A swedish team came to the rescue of the people stuck on the cliff. They fled syria, iraq and iran and amongst them was a tiny baby and a disabled man who was helped down the cliff face. In the safety of a rescue boat, Behzad Abbasi comforted his one he told us hes a christian and he and his family risked death to flee religious persecution in iran. 50 50. Maybe you win or maybe you lose you life. Reporter the swedish rescuers are funded by donations, and theyre all volunteers. Joakim brosten normally works in i. T. This is my way to give something to people that are in need. Reporter the swedish team found these migrants safe on a greek beach, but so cold they lit a fire fueled by their life jackets. There will be people coming from the land side, and they will come and support you within the next few hours. Reporter as politicians try to stop the migrants from coming, ordinary citizens are dealing with a more pressing need keeping people alive. Holly williams, cbs news, pelley 30 years ago today i picked up this press pass at the Kennedy Space center for Shuttle Mission 51l. I remember being amazed at how cold it was, and it would turn out that americas first in flight space disaster was triggered by a simple rubber gasket that had frozen overnight. We thought space flight was so routine there was even a schoolteacher aboard challenger, but in a flash we were reminded, astronauts are heroes for a reason. Manuel bojorquez looks back. Reporter the seven astronauts prepared for liftoff that morning at cape canaveral, florida, in front of a national audience. Mission specialist ron mcnairs wife cheryl was there. There was a lot of excitement and there was camaraderie. Hey, this is the u. S. One and liftoff. Textbook launch, but 73 seconds in, a seal failed on the right rocket booster, causing a catastrophic explosion. Obviously a major malfunction. Reporter confusion on the ground soon gave way to grief. Wondering what happened . Whats going on . Ron mcnair had flown on the challenger before. In 1984 he became the second African American in space, inspiring americans with his saxophone playing in zero gravity. Two years later, the father of two was gone in a national tragedy. Today the members of the challenger crew were pioneers. Reporter what was that like to have a nation mourn with you . That was a beautiful part of coming back from all of this tragedy. Reporter mcnair honors her husband by encouraging children to study science and technology, the same skills that helped a man from Humble Beginnings in the segregated south see the and he described it as just so beautiful and appearing without divisions or lines, peaceful, he said, as he thought the lord meant for us to live. Reporter here on earth, in a grove dedicated to americas space pioneers, words worth remembering. Manuel bojorquez, cbs news at the Johnson Space center in houston. Back. Every insurance policy has a number. But not every Insurance Company understands the life behind it. For those whove served and the families whove supported them, we offer our best service in return. Usaa. We know what it means to serve. Get an insurance quote and see why 92 of our members plan to stay for life. Feel secure in your dentures. Feel free to be yourself all day. Just switch from denture paste to seabond denture adhesive seals. Holds stronger than the leading paste all day. Without the ooze. Feel secure. Be yourself. Morning ted scott ready to hit some balls . Ooh hey buddy, whats up . This is what it can be like to have shingles. Oh, man. A painful, blistering rash. If you had chickenpox, the shingles virus is already inside you. 1 in 3 people will get shingles in their lifetime. After almost 3 weeks, i just really wanted to give it a shot. You know, im not feeling it today. Talk to your doctor or pharmacist today about a vaccine that can help prevent shingles. Pelley a celebrity known by her first name and pushing 60 goes public about plastic surgery. Its not the kind of story we usually report around here, but we have to make an exception for barbie. Heres mireya. Reporter the times may have changed. Barbie, youre beautiful. But barbie has changed little in recent years, the iconic mattel dolls have remained on the shelves. Barbie sales have now declined eight straight quarters. Mattel cites one possible reason. We were hearing that many thought barbie was out of touch. Reporter that typically blondehaired, blueeyed doll with unrealistic proportions is getting a reality check. Mattel recently introduced 23 new dolls with different skin tones and hair colors, and today three new body types curvy, tall and petite. The character feeds the horsie. Reporter mattel took the new barbie for a test run with a group of four or five year olds. They dont look like barbie. Some of them have brown skin and white skin. Reporter but what they noticed most were the different shapes and sizes. Im glad because we all get to look like. We got to pick reporter the next step for mattel is getting parents to buy in. We dont live in a world how barbie used to look. We live in a world how barbie is now, so i think its a really good thing. Reporter barbie may be ageless, but to her creators it was time for a long overdue makeover. Mireya villarreal, cbs news, california. Pelley a white man has been cast to play Michael Jackson. Thats next. It dont matter if youre black or white your body was made for Better Things than rheumatoid arthritis. Before you and your rheumatologist move to a biologic, ask if xeljanz is right for you. Xeljanz is a small pill for whom methotrexate did not work well. Xeljanz can reduce joint pain and swelling in as little as two weeks, and help stop further joint damage. Xeljanz can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma, and other cancers have happened. Dont start xeljanz if you have an infection. Tears in the stomach or intestines, low blood cell counts, and higher liver tests and cholesterol levels have happened. Your doctor should perform blood tests before you start and while taking xeljanz, and monitor certain liver tests. Tell your doctor if you were in a region where fungal infections are common, and if you have had tb, hepatitis b or c, or are prone to infections. Xeljanz can reduce the symptoms of ra, even without methotrexate. Ask your rheumatologist about xeljanz. music woman ill never remember all the projects, presentations, or meetings i gave up my nights for. But days like this, ill never forget. Get out there, in the 2016 ford escape. Be unstoppable. This is my fight song take back my life song music look, the wolf was huffing and puffing. Like you do sometimes, grandpa . Well, when you have copd, it can be hard to breathe. It can be hard to get air out, which can make it hard to get air in. So i talked to my doctor. She said. Symbicort could help you breathe better, starting within 5 minutes. Symbicort doesnt replace a rescue inhaler for sudden symptoms. Symbicort helps provide significant improvement of your lung function. Symbicort is for copd, including chronic bronchitis and emphysema. It should not be taken more than twice a day. Symbicort contains formoterol. Medicines like formoterol increase the risk of death from asthma problems. Symbicort may increase your risk of lung infections, osteoporosis, and some eye problems. You should tell your doctor or high Blood Pressure before taking it. Symbicort could mean a day with better breathing. Watch out, piggies children giggle symbicort. Breathe better starting within 5 minutes. Call or go online to learn more about a free trial offer. If you cant afford your medication, astrazeneca may be able to help. Pelley Michael Jackson sang that it dont matter if youre black or white, but should it matter in choosing someone to play him . Heres vladimir duthiers. Im going back to indiana reporter he was a young black kid from gary, indiana. Who became the biggest name in music. Billie jean. Reporter that has some criticizing why the role of the king of pop is being portrayed by a white actor, joseph fiennes, in an upcoming british tv movie. Im as shocked as you might be. He definitely had a pigmentation issue, so he was probably closer to my color than his original color. Reporter this latestntro controversy comes after no actor of color received an oscar nomination for the second year in a row. Untie him. Reporter idris elbas role in beasts of no nation was thought to be a likely nominee. He recently told the British Parliament about the racial glass ceiling. I knew there wasnt enough imagination yet for the industry to see me as a lead. Reporter black or white, fiennes says he hopes his performance passes. The more i looked at michael, the more i fell in love with him. Reporter this isnt the first time filmmakers have cast while actors to play people of color. Scott the studio lionsgate recently apologized for its lack of diversity in an upcoming movie about egyptian gods. Pelley vlad, thanks very and were coming right back. This portion of the cbs evening news is sponsored by through everything together. Two boyfriends, three jobs. Youre like nothing can replace brad. Then Liberty Mutual calls, and you break into your happy dance. If you sign up for better car replacement , well pay for a car thats a model year newer with 15,000 fewer miles than your old one. See Car Insurance in a whole new light. Liberty mutual insurance. If youre looking to save money on your Medicare Part d prescriptions, walgreens says, carpe med diem. Seize the day to get more out of life and Medicare Part d. Just switch to walgreens for savings now preview the cost of your copay before you fill. You can even get onedollar copays on select plans. 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If you cant afford your medication, picks apart the numbers for a better look at the impact next at 6. Pelley we end to pelley we end tonight with the journey of a lifetime. A couple of old salts sailing from norway to maine. Theyve been at it for months, but they havent made much progress, so we sent Mark Phillips to check on them. Reporter theres a reason steve weise and bob shapiro are being called the calamity crew. Hows the trip going so far . Great. Reporter not so great really. Steve and bobs boat, the nora, isnt so much an accident waiting to happen, its an accident that keeps happening over and over again. Firemen had to put out a blaze on board when a burning candle tipped over as the boat hit the bottom at low tide. Or this time when rescue services had to be called out off scotland. Or here, when steve and bob needed help at night off ireland. Youre up to seven times . Nine times . How many times have you had to call for assistance . We called the coast guard 29 times. Reporter and thats just since the boat left norway last summer. Nora has needed the help of the norwegian rescue service, the danish, the scottish, the irish and now the english. Not that has fazed steve i bought a boat in norway and im sailing it home. Reporter people are fed up. You are not capable of managing a ship or a boat, shall i say. Every time we go out there, its risking danger. Reporter steve, from california, and bob, from idaho, are both 71 years old. But not in a good way. Do you think theyre taking it seriously enough . No. No, no. Reporter have you ever done a trip of this ambition before . No. Never done it before. Total diaper kid. Reporter luckily the weather has turned bad and the nora is not going anywhere for a while, lucky for steve and for bob and for the rescue crews. Mark phillips, cbs news, cornwall, england. Pelley and thats the cbs evening news for tonight. For all of us at cbs news all around the world, good night. Captioning sponsored by cbs captioned by access. Wgbh. Orgnew hope in the quest to solve a be put away. Somebody needs to pay for taking our childs life. How theyre coming up with 100 as they try to find their