you know, the other big news in our new nbc news/"wall street rubio has ticked up. rubio is now in a strong third-place position. what does that mean? ted cruz is hammering rubio with a new attack ad. tonight, lester, rubio v. cruz, this actually could be the showdown worth watching and the one that could extend if trump falters. >> a lot of things in play. chuck, thanks. a program note. last night we talked to bernie sanders. tomorrow night we'll have my conversation with hillary clinton on the trail in iowa. a final sprint before the voting begins. >>> a warning now from the world health organization that the zika virus is, quote, spreading explosively. in this year alone, three to four million in north and south america could be infected with the virus linked to birth defects. the cdc says the number of people returning to the u.s. with zika is growing. nbc's tom costello has more. >> reporter: dr. whitney prince is one of a few americans who has experienced the zika virus as a patient. it was on her honeymoon in bora bora that she contracted zika through a once

"nightly news" begins right now. >> announcer: from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. >>> good evening. to a lot of people, the republican race for president may be feeling more and more like a reality show tonight, starring a man that before he became a candidate, proved he could draw an audience. so donald trump will likely have a lot of tonight. either the republican debate that he's now vowed to boycott or his own event that spotlight. leading up to this, a public duel with fox news that he even primetime discussions of milkshakes. all just four days until the vote in iowa. nbc's peter alexander explains. >> reporter: tonight should be the showdown before the instead, donald trump's no-show is stealing the spotlight. the front-runner staging his own primetime event to raise money for veterans. going head-to-head on the fox news debate three miles away. even drawing his underdog opponents, like huckabee and santorum. >> you're not giving them -- >> i'm not walking away. >> reporter: trump is defiantly positioning himself as the d

our nbc news investigation into the new > and recess time. we'll go to a school where the kids are getting a lot more "nightly news" begins now. >> announcer: this is nbc "nightly news" with kate snow. report tonight from h carolina. from the gilyard center where they're putting the final touches on the big stage behind in politics. the final democratic debate before the voting starts in iowa he just two weeks from our new nbc news "wall street journal" poll sets the stage. hillary clinton with a wide. 59% of democratic primary voters pick hillary clinton, bernie sanders at 34%, and martin t just 2%. but in hypothetical head-to-head match-ups with donald trump bernie sanders does better than hillith polls in iowa and new hampshire tightening over the past week there's a lot at stake here tonight. all while donald trump and tnue to battle it out on the trail. we have all of it covered. let's start out tonight with kristen welker is hrleston. kristen. >> reporter: kate evening. you can feel the anticipation building. officials with the clinton

our new nbc news "wall street journal" poll sets the stage. hillary clinton with a comfortable lead nation wide. 59% of democratic primary voters pick hillary clinton, bernie sanders at 34%, and martin o'malley trailing at just 2%. but in hypothetical head-to-head match-ups with donald trump bernie sanders does better than hillary clinton. and with polls in iowa and new hampshire tightening over the past week there's a lot at stake all while donald trump and ted cruz continue to battle it out on the trail. we have all of it covered. let's start out tonight with more on what to expect here. kristen welker is here with us in charleston. kristen. >> reporter: kate, good evening. you can feel the anticipation building. officials with the clinton and sanders campaign telling me their candidates have been prepping a little bit today and relaxing because with 15 days until iowa there is no room for error. it's fight night in south carolina. >> we have differences. >> i see that we have the momentum. >> reporter: with the democrats in a virtual dead h

"nightly news" begins right now. >> announcer: from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. >> good evening. time is short, and the to-do list is long for the men and women running for president. in just six days, we will be counting actual votes in iowa. but in this final stretch, it's all about the polls and tonight they appear to confirm a dramatic reversal of fortunate among the two republican front-runners. donald trump now ahead in a state that once seemed to be ted cruz's to lose. and more worrisome for the cruz camp is trump is lining up what could be key endorsements. there's high drama in the democratic contest too. we've got both races covered. with katy tur. >> lester, never a dull moment in this race. donald trump now saying he will not be participating in thursday's fox news debate because he doesn't think megan kelly is fair. also touting two big including one from jerry falwell jr. the clock is ticking in iowa. six days left and donald trump is pulling ahead. today leading in five here. the race now a cage match between th

medics tell nbc news 40 have starved to death since december. by phone, i spoke to a person from a trapped in madaya. >> your five children are starving? >> we have nothing to eat. >> how do you feel with that? looking at these children every day? >> i can't tell you the feeling that my kids, my little kid, he is just three years old and he's saying, i'm hungry. i need food. i want to eat. like, all day long. >> reporter: hard to imagine, she sent me this picture of her son. but so many children are like that now. i've been surviving on water for seven days this child says. around 40,000 people live in madaya. penned in by forces loyal to the syrian regime. the supplies delivered today expected to last a month are like rations for a prison. madaya wasn't the only destination for aid convoys today. simultaneous deliveries arrived in two other syrian towns suffering a similar fate, except they are cut off by anti-government rebels. as a weapon of war. this is a siege. >> reporter: siege warfare is a cruel tactic. but this is syria. an especially c

richard engel, nbc news, istanbul. >>> still ahead here tonight, what to do. new guidelines just out for breast cancer screening, different from other advice you've likely heard. what you should be asking your doctor. >>> also, they are packing their trunks and headed for retirement. where ringling brothers is wrapping and even though their dentures look clean, in reality they're not. if a denture were to be put under a microscope, we can see all the bacteria that still exists on the denture, and that bacteria multiplies very rapidly. that's why dentists recommend cleaning with polident everyday. polident's unique micro clean formula works in just 3 minutes, killing 99.99% of odor for a cleaner, fresher, brighter denture every day. [ music ] defiance is in our bones. citracal pearls. delicious berries and cream. soft, chewable, calcium plus vitamin d. everyone's lookin' red carpet ready. my man, lemme guess who you're wearing... toenail fungus!? whaaat?!? jublia is a prescription medicine... ...used to treat use jublia as instructed by your doctor. jublia is w

miguel almaguer, nbc news, los angeles. >>> good for them. that is going to do it for us on this friday night. i'm lester holt reporting from charleston, south carolina. i'll see you back here on sunday night for the democratic presidential debate. for all of us from nbc news, thank you for watching and good night. >>> nay . >>> they just randomly shoot and fire bullets and if you're in the way, you may get hit. >> innocent people caught in the gunfire. gun fights on the road. we get an exclusive look. thanks for being with us on this friday. i'm raj mathai. >>nd i'm jessica aguirre. since november there's been six shootings on highways and a spike in killing in richmond. nbc's jodi hernandez joins us live. >> reporter: jess, richmond police have arrested two dozen people and taken eight guns off the streets in just the past ten days alone. we got an exclusive look at what police are doing to turn up the heat on those causing trouble. >> right now we're smack in the middle of the iron triangle. we're going after this white car that was going

from all of us at nbc news, thank you for

olivia sterns, nbc news, new york. >> we've overcome our technical glitch and have the story of the recapture of mexican drug king pennel chapo today. here is nbc's mark potter. >> these are the first pictures of mexican king pin quackine el chapo guzman since his escape six months ago in handcuffs and a dirty t-shirt after captured in a dawn raid. officials say he was arrest by max can marines in a town of los mochas after a tip he was hiding there. after a shootout in which five suspects were killed and a was captured with no injuries. his arrest drew high praise from the american dea and others who said he was highly protected on the run. >> chapo was -- had tremendous protection there from the population in signa lowa, from corrupt government officials. >> reporter: news was announced by the mexican president neato on his twitter account, saying in spanish, we have him. he said the recapture confirmed the strength of the mexican government. chapo escaped from a maximum-security prison last july through a sophisticated tum with a motorcycle on a track used first to use dirt. >> guzman hims

"nightly news" begins now. >>> from nbc news world head kwarlt quarters in new york, this is nbc "nightly news." reporting tonight, erica hill. >>> good evening. in iowa tonight, it's a full court press. with the caucuses now just 48 hours away, candidates aren't waving a moment, state to make final pitches, trying to possible. in a just released poll tonight, hillary clinton is leading bernie sanders 45% to 42% in iowa. it's a dead heat among the democrats. for the republicans, top. ted cruz with 23% and nbc news has full coverage. we begin tonight in cedar rapids with chris continue welker. >> reporter: good evening. secretary clinton is trying to seal the surrogates, husband bill clinton and daughter chelsea. just a few miles away in the exact same city, bernie sanders is making his final pitch in this race that is tight. hillary clinton and bernie sanders neck and neck pulling out final hours before iowa voters weigh in. clinton facing new questions over her private ee-mails. the state department releasing a batch friday, withholding 22 now marked top secret. the highest level of clas

chris jansing, nbc news, new york. >>> that is "nightly news" on this friday, news years day. i'm kate snow. for all of us at nbc news, thanks so much for watching and happy new year. right now at six: fee deflated. the vandals who left countless south bay families >>> right now at 6:00, feeling deflated. the vandals who left countless south bay families stranded this new year's day. >> more than a dozen people in morgan hill rang in the new year with a hiss. the sound of their tires losing air after someone slashed them. it happened off east dunne avenue. >> reporter: you can see this tire has been slashed. a few week over here the tire on this minuteivan has also been slashed and these tires were targeted in the first few minutes of the new year. hugo found himself ringing in the new year with a hiss after someone slashed it with a knife. he says it happened sometime after midnight. >> i come out and i find out a flat tire. >> reporter: do we found car after car in the parking lot of murphy ranch town homes in morgan hill with slashed tires. police say at least 14 tires were

miguel almaguer, nbc news, los angeles. >>> good for them. that is going to do it for us on this friday night. i'm lester holt reporting from charleston, south carolina. i'll see you back here on sunday night for the democratic presidential debate. for all of us from nbc news, thank you for watching and good night. charleston, south carolina. for all of us from nbc news, thank you for watching and good night. three questions for the us senate. congress just voted to label genetically engineered salmon; why not other foods? gmo crops are doused with heavy doses of an herbicide the world health organization says probably causes cancer. isn't that reason enough to label? 64 other countries label gmos. why don't american shoppers have the same information? tell your senator, high tech gimmicks like qr codes aren't the answer. we need clear on-package labeling.

"nightly news" begins right now. >> announcer: from nbc news world headquarters in new york, this is "nbc nightly news" with lester holt. >>> good evening. time is short, and the to-do list is long for the men and women running for president. in just six days we will be counting actual votes in iowa, but in the final stretch it's all about the polls, and tonight they appear to confirm a dramatic reversal of fortune among the two republican front-runners. donald trump now ahead in a state that once seemed to be ted cruz's to lose. and more worrisome for the cruz camp is trump is lining up what could be key endorsements. high drama in the democratic contests, too. we've got both races covered starting with nbc's katy tur. hi, katy. >> reporter: hey there, lester, you when one candidate is flying known endorsements and the other issuing a warning. donald trump is about to take the stage joined by arizona sheriff jozef arpaio known for his hardline stance on immigration. the clock is ticking in iowa. six days left and donald trump is pulling ahead. today leading in five of the last six m

news continues now with "nbc nightly news" with lester holt. good night. the takedown of el chapo. new images from the bloody raid and his hide yout and the hollywood connection. how actor sean penn interviewed him in secret with help of a mexican actress. >>> campaign crunchtime. three weeks until iowa. growing anxiety for clinton. her polls slipping to bernie sanders and she's been trailing in new hampshire. >>> and donald trump like we've never seen him before. >>> are there more suspects at large after the ambush on a philadelphia cop. the manhunt for the men with possible radical ties to the suspect. police warning their officers are still in danger. >>> and farewell. david bowie, the iconic influential chameleon dead at age 69. tonight his final good-bye to fans in his new album. "nightly news" begins right now. >>> good evening. there is any video and rich new detail of a capture of one of the world's most wanted men and the bizarre subplot neaturing -- featuring a drug actor. with el chapo back in custody after july's brazen prison break. we're looking inside of the hideout

"nightly news" begins now. >>> from nbc news world headquarters in new york, this is "nbc nightly news" with kate snow. >>> good evening. there's been no letup this weekend in donald trump's sharp attacks on his top democratic rival, and he's not just going after hillary clinton but her husband, the former president. bill clinton is due in new hampshire tomorrow, his first solo appearance to campaign for his wife. with the iowa caucuses four weeks from tomorrow, trump also found himself answering questions about a terrorist recruiting message that uses video of trump. we get all the latest tonight from kristen welker. >> reporter: trump increasingly looking beyond his gop rivals and taking aim at the democratic front runner, no holds barred. >> they've created isis. with obama. >> reporter: hillary clinton hampshire. >> you know, the republicans seem to have a particular fixation on blaming president obama and me for everything that happens in the world. >> reporter: trump is also tying clinton to her husband's past sexual infidelities. >> it hasn't been a very pretty pick for her or b

the news continues now with "nbc nightly news" with lester holt. see you back here at 11:00 tonight. >>> tonight, market plunge. fear on wall street as the dow dived 400 points, extending the worst start to a year ever. >>> the gloves come off. an all-out feud. donald trump slamming ted cruz again for attacking his so-called new york values and finding an unlikely ally in clinton. >> and the fight between clinton and sanders grows closer as they prepare to deeb on our stage. >>> and marines missing after two choppers collide off hawaii coast. bad weather hampering the search. >>> and two millionaires. they showed the winning powerball ticket to us before lotto officials. tonight we're with them as they cash it in. "nightly news" begins right now. >>> good evening. the stage is being set behind me inside of the gilliard center for sunday's democratic presidential debate airing on nbc. and when the candidates get to the subject of the economy, it will be against the back drop of what we could now call wall street's worst ever two-week start to a new

for all of us at nbc news, thank you for night.months of campaigning.. and the iowa caucuses will come down to the final three weeks... why the race is too close to call... and how democrats will try to win over voters tonight. and an historic start to the 20-16 legislative session. we'll show you the first for the iowa house.... and why democrats and republicans are already at odds. itsot 900-million... but a find out what a lucky iowan had

miguel almaguer, nbc news, los angeles. >>> good for them. that is going to do it for us on this friday night. i'm lester holt reporting from charleston, south carolina. for all of us from nbc news, thank you for night. here in the city, parking is hard to find. seems like everyone drives. and those who do should switch to geico because you could save hundreds on car insurance. ah, perfect. valet parking. here's the keys. and, uh, go easy on my ride, mate. hm, wouldn't mind some of that beef wellington... to see how much you could save on car insurance, go to geico.com. ah! (car alarm sounds)