the south, possible tornadoes, hail and about to move right up the east coast. major snow right behind it. the consumer alert tonight. the cdc now pointing to a popular home improvement item, saying there are possible cancer risks. the alarming new numbers. and forever young. he's 1she's 106, and she's teaching the president and the first lady how to dance. good evening. and it's great to have you with us here on a monday night. and we begin with fast-moving developments in the race for the white house. tonight, we learned of a key resignation on the republican side, amid the bigger question at this point, can anyone catch up to donald trump? trump winning big in south carolina, after a major win in new hampshire. and no republican who has won both new hampshire and south carolina has ever lost the nomination. still, trying to catch up tonight, senator marco rubio, who finds himself at war with ted cruz. and tonight, senator cruz asking

down after what's been called a dirty trick. and here are the numbers as we head into the nevada caucuses tomorrow. donald trump, 26 points ahead. rubio there in second. abc's tom llamas leading us off from has say has. >> reporter: tonight, donald trump feeling so confident about the primaries, he's talking about his white house. >> you're going to say, "please, please, mr. president. we can't stand it anymore. we don't want to keep winning. we can't stand it." and i'm going to say, "i don't care. we're going to keep winning. we're going to make america >> reporter: the billionaire not just winning south carolina, but winning big. >> we won with highly educated, pretty well educated and poorly but we won with everything. tall people, short people, fat people, skinny people. we just won. >> reporter: and tonight, the that if trump wins nevada, and romps on super tuesday, he may be unstoppable. several party leaders now rallying around senator

to take him out. >> after tonight, this has become a three-person race and we will win. >> reporter: but rubio now splitting the anti-trump vote with ted cruz, and tonight, the tension between the two senators boiling over. >> it's every single day that something comes out of the cruz campaign that's deceptive and untrue. >> reporter: rubio furious after cruz's communications director rick tyler spread a false report that in this video, rubio disparages the bible, telling a young cruz staffer there are not many answers in it. rubio says that's an absolute lie. >> i know exactly what i said to that young man. i said, the answer to everything question you'll ever have is in that book. >> reporter: tyler apologized, but for rubio's its not enough. >> who's going to be fired when ted cruz is president? because this campaign now has repeatedly done things that they have to apologize for and no one's ever held accountable. >> reporter: late today, rubio getting his wish. >> this morning, i asked for rick tyler's resignation. i had made clear in this campaign that we will conduct this campaign with the very

>> reporter: but late this evening, rubio lashing out at cruz and at trump. >> i don't care how much you think they're funny or how interesting they may sound, if we nominate someone that 4%, 50% of our party can't stand, we are going to lose. >> and tom llamas with us live from vegas tonight. and tom, you heard what we said there at the top. no republican who has won new hampshire and south carolina has lost the nomination. is this party ready for the possibility of trump as the nominee? >> reporter: well, david, i can tell you today, several prominent republicans came out and endorsed senator marco rubio, including bob dole. the establishment clearly rallying around rubio and they are not ready to give up. this, as today, senator ted cruz publicly acknowledged for the first time, attacks on his character could possibly weaken his chances against trump. david? >> tom llamas back out on the campaign trail for us tonight. tom, thank you. now, to the major developments on the democratic side tonight, as well. hillary clinton with a decisive win in nevada, the south carolina primary just five days

celebrating on that stage with former president bill clinton. and tonight here, you will hear a shift in her message, her tone. meantime, bernie sanders this evening, not backing down. he was asked directly today, does he still have a path to the nomination? and you will hear how he answers. here's what he's up against. the latest poll in south carolina showing clinton with a nearly 30-point lead. abc's jonathan karl on the campaign tonight. >> reporter: a newly-energized hillary clinton is back on top, >> thank you, nevada! thank you so much! >> reporter: she's confident enough to make this extraordinary admission. >> i think there's an underlying question that maybe is really in the back of people's minds, and that is, you know, is she in it for us or is she in it for herself? >> reporter: and now, a shift in tone. clinton talking less about herself, less about "i" and more about "we." >> we hear you. we see you. we're incredibly grateful to you. because we're in this together.

we all have to do our part. >> reporter: clinton won 76% of the african-american vote in nevada, support she's counting on in south carolina, where more than half of democratic voters are african-american. she's launched yet another new ad, featuring one of the most well-recognized voices in america -- actor morgan freeman. >> she says their names. trayvon martin. >> trayvon martin, shot to death. >> dontre hamilton. >> unarmed. >> andra sandra bland. >> sandra bland did nothing wrong. >> reporter: and bernie sanders is turning to another prominent african-american actor -- danny glover. today in boston, he attacked clinton as a political opportune is. >> and the people of the united states need to know the difference between hastily adopted campaign rhetoric, and

candidates. >> reporter: when asked trektly if he still has a path to winning the democratic nomination, his answer was emphatic. >> the short three-letter answer is y-e-s. >> and jon karl with us live tonight, as well. after a near tie in iowa, and a bruising loss in new hampshire, what a shift, jon. it's actually the clinton team now pointing to the math tonight? >> reporter: that's right. we look at delegates. they are virtually tied among the delegates won in those three states, but you add in the so-call superdelegates and hillary clinton has a big lead. a lead she expects to add to over this weekend in south carolina. but david, i've got to say, they are not overly confident. they believe that bernie sanders will do well on super tuesday and is likely to win several states and more delegates. >> all right, the fight continues. jon karl tonight, thank you. we're going to turn next to the night of terror in an american city, kalamazoo, michigan. an uber driver now charged with multiple counts of murder. six people dead.

the suspect, jason dalton, in court today, investigators now say he picked up passengers during his killing spree. the attacks in three separate locations across 12 miles. abc's alex perez tonight with the interviews. the passengers who were in that car before and after, and what the driver said. >> reporter: tonight, that 45-year-old uber driver charged with six counts of murder. >> you understand the charges being made against you and the maximum sentences i just stated? >> yes, sir. >> reporter: appearing in court via video from jail, stone-faced. >> i would prefer just to remain silent. >> reporter: but investigators in court dalton said he admitted he took people's lives. >> no one understands why it happened. >> reporter: dalton allegedly going on a shooting spree. saturday afternoon, matt mullen nmellen gets picked up at home. >> we were driving through the

finally, once he came to a stop, i jumped out of the car and ran away. >> reporter: mellen calls 911. facebook. >> shots fired. we have one confirmed victim right now. >> reporter: an hour later, a woman is shot several times in the parking lot of this residential complex. she survives. then, just past 10:00, in this car dealership parking lot, a father and his 17-year-old son, killed. 16 minutes later, the gunman opens fire outside this cracker barrel restaurant, killing four women, returning from a play. as word gets out that a killer is on the loose, three more passengers call for an uber to go to a bar. noticing the driver is in a chevy, like the gunman. >> my buddy scott actually said something to him, like, this isn't the hhr, you're not the guy, are you? >> reporter: just after midnight, police take him into custody. uber saying they are helping investigators. tonight, two remain hospitalized, including a 14-year-old girl, clinging to life.

brain dead at the hospital, but then squeezed her moerl's handther's handed a responded to a doctor's question. and, david, tonight, in a statement, the suspect's family saying they are in shock, and offering condolences and prayers to the victims. david? >> just a horrible story. alex perez in kalamazoo. alex, thank you. next tonight, to the battle between apple and the fbi. over whether apple should help the fbi unlock the work phone of one of the san born bernardino killers. tonight, the fbi director asking apple, both sides, in fact, to take a deep breath. but apple standing firm, and getting some help tonight. abc's senior justice correspondent pierre thomas now. >> reporter: tonight, the families of those fatally shot and wounded in san bernardino are preparing to enter the legal fight to force apple to help the fbi open a killer's phone. >> the pain is still very palpable. it is critical that they get this information.

>> reporter: the families weighing in as rallies in support of apple are planned across the nation tomorrow, and the war of words escalates between apple's ceo and the fbi director. "we can't look the survivors in the eye, or ourselves in the mirror, if we don't t llow this lead," fbi director james comey wrote in an open letter released overnight. he added, "we don't want to break anyone's encryption or set a master key loose on the land. but today, apple's ceo tim cook in an e-mail to employees, rejected the fbi's reasoning. he called on the fbi to "withdraw its demands," seek legislation in congress, and set up a special commission to sort through these difficult issues. cook writing, "at stake is the data security of hundreds of millions of law abiding people, and setting a dangerous precedent that threatens everyone's civil liberties." >> there's no limit to what the government could require apple to do, if it succeeds this way. this is a pandora's box.

fbi says it remains urgent to get inside that phone. the reason why, david, is that the fbi thinks there may be seven weeks of data leading up to the attacks on that phone, potentially photos, e-mails and text communication, with the other killer, his wife. >> pierre thomas tonight with us from washington. thank you, pierre. next tonight, president obama and russian president have vladimir putin cementing a cease-fire deal in syria on saturday. some groups saying they will sign on, but no word from the syrian regime. both sides agree that attacking isis would still be okay. the terror group taking responsibility for two bombings on sunday, alone. next, back here at home and to a troubling new look inside the v.a. health care system in this country. an army veteran trying to make an appointment, but as you're about to see, he was trapped in an endless loop. millions have seen it already, and abc's david wright, getting answers tonight.

being transferred. >> reporter: if you've ever had this experience, press one. >> please enter your social security number. >> reporter: frustrated consumer here? dennis magnasco, an army veteran who served in afghanistan, documenting himself trying to get an appointment at the v.a. >> hello. welcome to the -- >> i spent two days in the office, my colleagues watched me try to call and schedule an appointment. >> reporter: a lot of vets have had similar problems, so the video went viral. his boss, congressman seth moulton, is also a veteran, >> i believe veterans deserve the beth health care in the world, hands down. that's what we should get after putting our lives on the line for ththcountry. >> reporter: he wrote a bill to reform the v.a. the faster care for vets act. the v.a. insists the technical issue that was described in the video was corrected. the v.a. has had problems before, including a suicide hotline that sent callers to voice the mail, and then didn't rush some of the calls. >> so, let's get the word out.

david wright, abc news, boston. next tonight, to a major winter storm, starting in the south and moving right up the east coast with snow and freezingngain right behind it. let's get right to meteorologist rob marciano, tracking it all for us. hey, rob. >> reporter: hey, david. the rain in the southeast a warmup act for what's to come tomorrow. in texas, we'll time out this low that is going to intensify. a squall line will probably develop and push through houston before the lunch hour and march down the i-10 corridor throughout the day. damaging ones with this. the highest threat zone will be southern louisiana through southern parts of alabama. a dangerous situation. then, the low moves up the appalachians, to the east side of the u.s. the back side, michigan, back through chicago, could seal heavy wet snow with this. everyone along the path is going to feel a little pinch with this tomorrow. >> all the way through wednesday. rob, thank you. next tonight, new meaning to forever young. she's 106 years old, and 41 million people have watched her and smiled, including the

here's abc's steve osunsami. >> virginia mclaurin. >> reporter: there's a charming story behind this video that's all over social media tonight of this 106-year-old woman dancing with delight at the night of president obama. >> just keep moving. >> reporter: virginia mclaurin is one of those many black americans over a certain age who never thought they'd seehe day when a black man would become leader of the free world. >> i am so happy. >> we are happy to have you. >> a black president. >> look at him. right there. >> a black wife. >> that's me. >> reporter: she's been begging the white house for this moment, for years. >> i was born 1909. >> reporter: sending them videos, and writing the president this petition, saying, "i could come to your house, to make things ease yerp." at 106, her energy and light seem endless. steve osunsami, abc news, atlanta. >> we could only wish at 106. there is still much more ahead on "world news tonight" this monday. the new consumer alert, and the cancer concern.

right in your own home. the warning tonight about certain types of floors. one sold by one company. and the possible risk to your family. then, watch this. the out of control truck, veering off the road, slamming straight into this house. you'll hear the driver's explanation, coming up here. and right here tonight, we ask, where is our own amy robach? on the eve of her great "gma" adventure, tonight, a preview. and the slight scare as she looked through one caged window. any guesses?

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stop chantix and call your doctor right away. tell your doctor about any history of mental health problems, which could get worse or of seizures. don't take chantix if you've had a serious allergic or skin reaction to it. if you have these, stop chantix and call your doctor right away as some can be life-threatening. tell your doctor if you have heart or blood vessel problems, or develop new or worse symptoms. get medical help right away if you have symptoms of a heart attack or stroke. decrease alcohol use while taking chantix. use caution when driving or operating machinery. most common side-affect is nausea. life as a non-smoker is a whole lot of fun. ask your doctor if chantix is right for you. next tonight, a new consumer alert involving lumber lick wi daby day or thes. the new cdc warning tonight, and here's abc's chief business correspondent rebecca jarvis. >> reporter: tonight, the cdc says the cancer risk associated with some flooring are now three

original estimates. health officials now predicting those made in china laminate floors, in as many as 100,000 homes, could cause 6 to 30 cases of cancer per 100,000 people. >> i'm living in a space that has the potential to make me very sick. >> reporter: terry thompson installed the floors in her north carolina home less than three years ago. >> i'm very concerned about the long-term cumulative effect. >> reporter: she says tests in her home say she's getting three and a half times the government recommended exposure to formaldehyde. the floors, still? her home. lumber liquidators saying they believe the cdc has overstated potential health risks. the company halted sales of the questionable floors last march, and has said it already significantly strengthened our quality assurance procedures and has offered customers flee air quality tests.

quality tests, 10% of the tests have come back showing concentrations of formad hide greater than what's recommended by the world health organization, david. >> all right, rebecca, you'll stay on it. thank you. when we come back here tonight, the new headline this evening about bill cosby's wife, questioned under oath today. and breaking news about that tour chopper crash. what we've just learned. and then the out of control truck. the driver slamming into that house. you saw it a moment ago. his explanation, right after the break. woman or where you're from. city country we're just everyday people fighting high blood sugar. i am everyday people. farxiga may help in that fight every day. along with diet and exercise, farxiga helps lower blood sugarin adults with type 2 diabetes. one pill a day helps lower your a1c. and, although it's not a weight-loss or blood-pressure drug, farxiga may help you lose weight and may even

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new developments in that chopper crash in hawaii. the tour helicopter falling from the sky. tonight, we've learned the teenager rescued after being trapped under water has now died. four other people on board did survive the crash. and to that dump truck out of control in north carolina. swerving off the road, slamming into the side of a home. the driver said another car ran a stop side, colliding with the truck, sending him into that house. no one, unbelievably, was hurt. when we come back here on a monday night, amy robach takes us on a first of its kind safari adventure. what has never been done before. there was a scare. if you're 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 that'll be the highlight of your day.

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finally, we're just hours away from "gma's" big safari adventure. a live, 360-degree view. amy robach tonight from tanzania. >> reporter: it's the landscape taking our breath away. the elephants, hippos, zebras, and lions daring to take you, for the first time ever on television, live on safari. greeting us along the way? these guys. conservationists at the sanctuary, risking their lives to save nature's fiercest animals from illegal hunting. you're literally fattening them up to send them back out? >> send them back out. >> reporter: they take me to the orphaned lion cubs. i quickly learn, they're watching every move we make. oh, my. woo. in the next room over -- she's beautiful -- a 3-month-old caracal. she was being smuggled out of the country before being rescued. oh, how pretty are you. some of the wildlife you'll see

>> thank you, amy. we'll be watching. "gma," first thing in the from sony pictures studios, it's america's game! wheel... of... fortune! ladies and gentlemen, here are the stars of our show -- pat sajak and vanna white. hey, everybody! how you doing? thank you, jim! i found our mark. yay! that's great. that's half the battle of doing the show. [ chuckles ] see you later. hi. so, here we are. get ready. "toss up" time -- our first of the night. it's worth $1,000 and it is... a "thing." [ bell chimes ] sara. gift receipt.

[ applause ] -$1,000... -yay! ...for sara scoville-weaver. -that's right. -is from glendale, arizona. tell us what you do there -- everything about you, sara. -[ chuckles ] -don't leave out anything. okay, i work for a non-profit that help's refugees and immigrants start their lives in the united states, and i help them start small businesses. -good for you. -thank you. and you're an outdoorsy person in arizona? yes, i love to hike, backpack, and i recently started horseback riding lessons as my new hobby. all right. and you won $1,000, already. -thank you. yes. -nice to have you here. -thank you. -hi, marci! hi! marci germak is from twinsburg, ohio -- stay-at-home mom. talk about the group you're at home with. well, i have one daughter, emily. she's nine months old. and i'm married to my husband, steve. we've been together for almost 10 years and married for 4 1/2. yeah? what do you guys like to do for fun as a family? we love to travel. it's been put on hold for a little bit now that we have a young one. -yeah, it's funny. -and we love adventurous things. we just went skydiving a couple years ago. it was a lot of fun. by the way, since you have a young one, a little piece of advice --

they're not gonna remember, so don't bother. i learned that. -it'll be for us. yeah, exactly. nice to have you here. steven smedshammer is here from fargo, north dakota. steven, let's hear about you. my name's steve. i'm married to my wife, christine. we have a daughter named sloan who's about 1 1/2 years, and we have a little baby boy on the way. i'm a training supervisor for a plasma donation facility, and when i have any free time, i do work for hospice, i ride bike, play some instruments. yeah? so, you have a band? -i've got a couple. -yeah? try to stay busy. play some folk music, some rock music. now, you called yourself steve, and i noticed your tag says steven. you answer to either name? what would you prefer? -either, quite readily. -if you said to me, "pat, call me...? -steven's fine. -steven? -yes. all right. get ready. we'll do another "toss up." this one is worth $2,000, and the category is "person." [ bell chimes ] steven. keyboard player. yeah. there you go. whoo!