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well, it's three weeks now until iowa, and as the days grow shorter, the polls grow tighter. republican donald trump has a two-point lead over ted cruz. that is within the poll's margin of error. today, trump continued to raise questions about whether cruz, born in canada to an american mother, is eligible to be president. here's major garrett. >> it's wrong to say it is a settled matter because it's absolutely not. it's not a settled matter. that means that, you know,w, lot of people think you have to be born here. >> reporter: before a lethargic and relatively small mid-day crowd ininew hampshire, donald trump continued planting doubts about ted cruz's citizenship, saying gop voters will render the final verdict. >> it's one ofhose little decisions.

i'm helping him out, but i am. i mean, i am. i mean, he's got to go and he's got to fix it. >> reporter: cruz has dismissed trump's suggestions. >> i have never breathed a breath of air on this planet when i was not a u.s. citizen. i've never been naturalized. it was the process of being born that made me a u.s. citizen. >> reporter: a new poll shows trump with a commanding lead in new hampshire with john kasich, marco rubio and cruz in a virtual tie for second. but trump's camp fears a cruz victory in iowa would catapult him ahead in new hampshire. rubio is also looking over his shoulder at chris christie, who is trailing him by just four points in new hampshire. today rubio attacked christie on key conservative issues. >> our next president cannot be someone who supports common core, who supports gun control, who has personally contributed to planned parenthood. these are things we need to reverse. >> reporter: on "face the nation" christie defended his record. >> marco himself has said i was a conservative reformer in new jersey. so here's the thing, i'm not

about marco rubio. >> reporter: christie once said he donated to planned parenthood, something his campaign now denies. scott, rubio today canceled a fundraiser and returned to d.c. after critics attacked his original plan, raise money and skip a senate classified briefing on north korea. >> major garrett in the newsroom. major, thank you. on the democratic side, the polls show hillary clinton and bernie sanders neck and neck in both iowa and new hampshire. nancy cordes has the latest on that. >> now i just have a difference with senator sanders. >> reporter: hillary clinton normally takes aim at her republican rivals, but in waterloo, iowa, today, she focused on bernie sanders and his proposals for new spending. >> there's no way if you do the arithmetic how to pay for what he has proposed without raising taxes. >> reporter: the change in course was no coincidence. >> i'm really going to need your help.

shows sanders coming on fast in iowa and even outperforming clinton in the general election. in a theoretical matchup with donald trump, sanders leads in iowa by 13 points. clinton leads by 8. in a matchup with ted cruz, sanders leads by 5 points while clinton trails by 4. >> we have an excellent chance to win here in iowa. >> reporter: sanders told the state's largest newspaper that clinton's new attacks on him show she's "nervous and panicky," but he's doing the exact same thing. >> will she change her mind and join me in making sure that we can significantly raise the benefits for low-income people on social security? >> you know, these polls go up, they go down. >> reporter: on "face the nation" sunday, the former first lady downplayed both the numbers and trump's recent comments about her husband's infidelities in the '90s. >> they can say whatever they

more power to them. i think it's a dead end, blind alley for them, but let them go. >> reporter: clinton leads in later states like south carolina by up to 40 points, though she enjoyed a similar lead in iowa not that long ago, scott. >> nancy cordes on the campaign. nancy, thank you. today in london, a muslim preacher known for his fiery anti-western sermons went on trial. anjem choudary is charged with recruiting for isis. elizabeth palmer has this. >> reporter: on his way into court, britain's best-known radical islamist claimed it was all a setup. >> the only reason i'm standing here today is because i'm a muslim. >> reporter: choudary once praised the 9/11 hijackers and for years has denounced western rights and freedoms. >> down with democracy! >> reporter: after the rise of

isis rule. >> everybody has free food, clothing and shelter. close your eyes and imagine a society. you haven't got a house? here's your house. you don't have electricity, here's free electricity. >> reporter: eventually, choudary's lectures in person and online got him arrested. on the eve of his trial, he sat down with us to insist he never directly recruited for isis. >> there's no record of me ever saying to go abroad and to live in the islamic state. >> reporter: did you have to? just by saying this is a muslim state and it is a place run under sharia law, is it an implicit endorsement? >> no, it isn't, in fact. >> reporter: but the british government disagrees. it believes choudary's campaigning contributed to the stream of hundreds of britons who went to syria to fight. one of them was siddhartha dahr, formerly choudary's close associate. he went to syria in 2014 and is

man behind the mask in isis' latest execution video. >> people of britain, know that today your citizenship is under our feet. >> reporter: anjem choudary faces ten years in jail if convicted, but the broader question is whether this british crackdown on recruiting will slow the flow of foreign fighters that isis depends on. >> liz palmer in the london newsroom tonight. liz, thanks. now in technology, the next generation of cars may be able to avoid most accidents automatically. the federal government is proposing a new technology regulation for carmakers, and kris van cleave has more from the detroit auto show. >> reporter: the newly proposed regulation will require technology to be standard in all new vehicles sold in the u.s. experts say it could be as revolutionary as seat belts and air bags. once finalized, the rule will call for vehicle-to-vehicle

phased in over a few years. >> our goal is to see this technology put in place as soon as possible. >> reporter: secretary of transportation anthony fox. >> over the years we've had about 33,000 fatalities a year on our highways. if the technology then can substitute for human judgment and help us avoid those crashes. we think we can get as much as an 80% reduction. that's a huge change. >> reporter: as this department of transportation animation shows, v2v uses technology similar to wifi to link cars near each other on the road, allowing them to share information like speed and direction several times a second. so if the vehicle several cars ahead stops abruptly, your car would know almost instantly and warn you to slow down. it may also be able to talk to infrastructure like stoplights, telling the driver how long until a light changes. v2v builds on technology like blind spot detection and automatic braking already found in some vehicles.

technology customers will pay for? >> to a certain extent i think they will, but we'll see what the future brings. we're working very hard toward bringing and continuing to have more and more of those features we'll see what the consumer decides. >> reporter: the auto industry supports the move to v2v technology, but there are some unanswered questions, how do you protect cars against hacking and what about all that data now being collected by our ever- smarter cars. >> kris van cleave in motor city. kris, thank you. new recommendations for when women should get mammograms, the "cbs overnight news" will be right back. 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.

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a government medical panel issued new guidelines for when women and how often women should be screened for breast cancer. we asked dr. jon lapook to fill us in. >> look straight in here. >> reporter: today 44-year-old paula peirera had a mammogram. she's done that every year since turning 40. >> between me and my doctor, we've decided that i need to stay with having my yearly screening mammography. that's for my peace of mind. >> reporter: the u.s. preventative services task force says women of average risk should make an individual choice about whether to screen between the ages of 40 and 4 and be screened every other year between 50 and 74. studies suggest screening

effective at saving lives in women 50 to 59 as in women 40 to 49. still, in that younger age group, about four deaths are prevented for every 10,000 women screened over ten years. some doctors worry about the message these new guidelines may be sending to younger women. dr. freya schnabel is the director of breast surgery at nyu langone. >> we have to remember that women in their 40s and below still get breast cancer. >> reporter: in your view, are we overemphasizing now the potential harm, including worry on the part of the patients? >> i think the worry issue is something that particularly, in my opinion, is very troublesome as a reason to avoid mammography. >> reporter: why? >> i think it's patronizing. adult women are capable of understanding that sometimes we all have to do things that we're not crazy about, but there's a long-term benefit. >> reporter: for women 75 and older, there was not enough evidence to make a

decision will rest on factors like a woman's risk and general health. >> dr. jon lapook, thank you, jon. and dr. schnabel, the woman you just heard from on our facebook

right back. today wall street snapped a losing streak as stocks rallied in the last minutes of trading. the dow was up 52 and change. but oil slipped below $32, the lowest since 2003. there's an oversupply and the second largest consumer, china, is slowing down. our research department tells us that 114,000 americans have lost their jobs in the oil patch in 2015. a woman suspected of robbing jewelry stores in five southern states was in court in atlanta today. the feds say 24-year-old abigail kemp is the woman on surveillance video accused of tying up employees at gunpoint and taking more than $4 million in jewels. kemp was arrested friday. the fbi says cell phone records

>> it's the miracle of compound interest. growing interest in powerball but no winners has pususd the jackpot to an all-time record nearly $1.5 billion. the next drawing is wednesday. here's jericka duncan. >> reporter: playing a game you're likely to lose may sound counterproductive, but even the slimmest of chances to become one of the wealthiest people in the world -- >> do you feel lucky today? >> reporter: -- has two million people per hour trying to cash in on a dream. what would you do with the money? >> i'd probably save some for my family and no one really needs that much money, so there's a lot of good causes to share it with. >> reporter: gambling may be

isn't. so thousands have traveled over the california border to buy tickets, even canadians are heading south to get in on the game. the powerball has also provided a business boom to convenience stores. mukesh sahi says his sales have tripled. >> people buying soda, products, cigarettes. >> the big mistake lottery winners make is they rush. >> reporter: attorney michael kosnitzky has been hired by a dozen lottery winners over the past decade. he says it's not only hard to win it but it's hard to keep it. >> how many of them are still millionaires? >> all of them. >> reporter: but a 2012 study showed 70% of lottery winners end up bankrupt. kosnitzky recommends taking the projected lump payment of more than $860 million, hiring an accountant, a tax attorney and a financial adviser. after all, they don't make mattresses big enough to hide

york. and that's the "overnight news" for this tuesday. for some of you, the news continues. for others, check back with us a little later for the morning news and of course, "cbs this morning." from the broadcast center in new york city, i'm scott pelley.

this is the "cbs overnight news." >> welcome to the "overnight news." i'm don dahler. the tributes are growing in all corners of the globe after the death of rock star and trendsetter david bowie. he died sunday after an 18-month long battle with cancer, ending a five decade career that spanned music, film, stage and fashion. fans lit candles and left no flowers outside his home in new york city. and in london, where he was a hero to millions, including prime minister david cameron. >> genius is an overused word. but he was a genius.

a lot of the soundtrack of my lives, from "space track odd question" to the strains of "heroes." >> reporter: bowie turned 69 last friday, the same day he released his final album "black star," which is now rocketing up the pop charts. it is the top selling album on i tunes. mark phillips looks back on his life. >> reporter: for a man known for so many images, this will be the last and enduring one of david bowie, the one from his latest album released last friday on his 69th birthday. look up here, i'm in heaven i've got scars that can't be seen >> reporter: the deathbed imagery and lyrics seemed to suggest he not only knew what

into his last artistic event. look up here, man, i'm in danger >> reporter: and this may be the first image of bowie many remember. his was a career that people rst began to notice back in 1969, when people were being landed on the moon. that stopped, but bowie continued. there's a starman waiting >> reporter: he didn't just release songs, he became the persona that performed them. ziggy star dust in the '70s. and not just the songs, of course, but the ever-changing look. as he told charlie rose back in 1998, bowie was always about

>> do you think you'll be known first as a musician. >> no, i find the idea of having to say that i'm a musician in any way is an embarrassment to me, because i don't really believe that. i always felt that what i do is use music for my way of expression. i don't believe i'm very accomplished at it. >> reporter: others will disagree. bowie reinvented himself as he went along. with "fame" he brought what he called plastic soul as a white british artist to soul train. sean penn says he has no regrets about his interaction with joaquin el chapo guzman.. penn had interviewed el chapo in october, leading to his capture. there are efforts under way to

states. manuel bojorquez is outside the prison where he's being held, the same prison he escaped from in july. >> reporter: according to a u.s. law enforcement source, authorities worry that el chapo would bribe his way to another escape. sean penn said he agreed to let el chapo review the article before being published but the drug lord did not ask`for any changes. this picture was taken as proof of the secret meeting between the academy award winner and a drug cartel kingpin. in a lengthy rolling stone article, sean penn said he met with guzman last october, deep in the mexican jungle. he describes him as unapologetic

charismasaying -- >> how much heroin he sends around the world, including the united states, is maddening. >> reporter: penn says they met for seven hours and ate tacos at a picnic table. they agreed to reconvene eight days later. but mexican authorities rated that hideout shortly after that meeting. instead of meeting again in person, penn sent el chapo questions that he answered on camera with the help of an sper preer the. it's a reality that drugs destroy el chapo says in spanish. where i grow up, there was no other way and there still isn't a way to survive. the 17 minutes of footage was given to mexican actress kate dell castillo. she gained el chapo's attention and perhaps his trust when she tweeted at him in 2012, writing i believe more in el chapo

hide the truth. authorities arrested him friday. they say he initially fled through the sewer system after a shootout. he was anpprehended in a stolen car. >> the capture of el chapo is shining the spotlight on the actress kate del castillo. el chapo was apparently one of her biggest friends. >> you must have a very beautiful life. >> many americans know that kate del castillo -- >> don't interrupt me. it's impolite. and breaches in etiquette make me want to throw things. >> a mexican crime boss. >> next time hire someone that doesn't work for me and isn't still mad at you for ratting him out. >> two years later, she starred

the south." >> i would say that she's kind of like the jennifer lawrence of mexico. she is known for being a strong, powerful latina woman. >> in 2012, she posted an open letter on twitter, urging el chapo to burn all those whore houses, adding you would be the heroes of heroes. that caught el chapo's attention and the two reportedly began communicating after that post. del castillo wants to make a movie about el chapo's life, arranging the interview with sean penn. and even serving as the translator. >> del castillo has not been arrested or charged with any

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a convoy of food and medicine has finally reached the syrian city of madiah, which has been under siege for months. two other aid convoys reached towns which are under siege by rebel troops fighting the assad government. the complex battlefield in syria includes the russian air force. bill whittaker was invited to visit russia's main air base there for "60 minutes." >> reporter: this was the first face we saw after landing. that's syrian president bashar al assad. this once was a syrian airport. since the summer, the russians have built barracks, brought in 4,000 personnel, paved roads, rolled in truckloads of equipment and munitions, erecting a bit of russia in the

this is mostly friendly territory. but the russians aren't taking any chances. helicopter gunships constantly patrolled the perimeter. they took us out along newly extended runways to watch a steady series of planes taking off. the roar was deafening. the russians invited about a dozen news organizations on this tour of the air base. they especially wanted us to take note of their newest fighter bomber, the su-34. our russian guide in syria, major general igor kanashankov, is chief spokesman for the ministry of defense. over the previous 4 hours, he said, 320 furthers and 34 armored vehicles were destroyed.

told us some of the planes we saw taking off did bomb isis targets, but most bombed more immediate threats to the assad regime, groups like the u.s.-backed free syrian army and the syrian arm of al qaeda. the general wouldn't tell us how many planes are flying missions, but american military sources say the russians have 36 fighter planes, and 1 helicopters. the russian military says they have flown more than 5,000 sorties, mostly from here, since president putin ordered the bombing campaign in september. what is the primary goal of russia in this intervention? >> translator: the main task is to restore statehood in this region, syrian statehood. >> reporter: this is the chairman of the russian parliament's defense committee. he was involved in the planning

the united states is focused primarily on defeating isis, and russia seems to have other priorities supporting the assad regime and helping the assad regime fight its enemies. and that seems to take priority over fighting isis. >> translator: if you cut off the head, you get chaos. there's chaos in libya, chaos essentially in iraq. half the country is under isil. and the head was chopped off there, you see? so if you want to so stubbornly remove the leaders of syria, it's an enormous mistake. >> i'm just wondering if you believe that assad has a role in the future of syria? >> translator: the problem is that he's lost some of his authority. the people themselves must figure out in elections who to

essentially ruined in syria. >> reporter: ruined in large part by president assad's own military. we got the sense the admiral is not crazy about the syrian president, who has dropped bombs on his own people. the admiral used a derogatory term to describe assad, then asked that we not repeat it on tv. >> translator: we know why the opposition was formed. it was formed due to the mistakes of the president of syria himself. >> reporter: when they launched this mission in september, the russians said it would be temporary. after months of almost daily bombing, isis and the other insurgent groups have barely been budged from the territory they hold. and russia has added more planes and expanded to other bases here in syria. the mission doesn't look so temporary anymore. did russia overestimate the power of the syrian army?

fulfilling our obligations to syria and we will go on fulfilling them. president assad shouldn't rest on his laurels. he needs to work on his army and raise its morale, and if necessary, lead the army himself. he needs to unite his forces, which are scattered like fingers. they must be clinched into a fist. if you can't beat them, at least you can give them a black eye. >> reporter: it was the russians who got a black eye when one of their warplanes was shot down and the pilot killed by the turkish air force in late november. that incident may have been why we were taken to tartus, two hours south of latakia. this is the russian navy's only foothold in the mediterranean. holding on to this base seems to be one reason president putin maintained and is escorting his support of bashar al assad.

"the moscow," a guided cruiser ship. they brought us aboard and did everything short of firing off a missile to demonstrate russia's naval might. "the moscow" is normally the flagship of the black sea fleet. it now has a new mission. when i see all of this, i just wonder who are you fighting? isis doesn't have any capability like this. >> translator: the general told us the ship's main mission is not to fight terrorists. after turkey shot down the russian fighter, "the moscow" was reassigned to provide anti-aircraft defense. it was supposed to be a war against isis and islamic terrorism, is a sign just how complicated this temporary

>> russia has to be reckoned with, which has been putin's goal all along throughout the 15 years of his leadership. >> reporter: maria lipman is a political analyst in moscow, one of the few independent voices willing to publicly criticize president putin. >> seeing russia, wage thing state of the art military operation in very important region, made the russians feel proud of this, beginning with the annexation of crimea. >> so this is primarily not about syria but about russia's place in the world? >> of course it is also about syria, but i don't think the goal -- the primary goal was to stop the war. i think the primary goal was russia's stature in the world.

what they thought of russia's war here in latakia, a home to about 2 million people. this is assad territory. the shops looked full and life seemed normal as we rode through town. we weren't allowed off the bus for security reasons, our russian minder said. instead, they took us to a refugee camp at the city's sports complex. while hundreds of thousands of syrians have fled to europe from the bombs and brutality of president assad and his opponents, the russians wanted to show us people that have fled to the safety of the syrian government. these are about 5,000 of the millions of refugees from this civil war. amid the tents, we found this woman. she's been here three years after fleeing aleppo with her daughter and grandchildren.

that made you come here to this camp? "they destroyed our homes," she told us. she said her son was killed. you lost everything? she told us she didn't know who was responsible for the barrel bombs dropped from a plane that destroyed her house. but barrel bombs are a signature weapon of the assad regime. do you hope to go home again? "god willing," she said. she told us she felt safe here in the government-run camp and she was grateful to the russians for helping out. >> you can see bill whittaker's full report on our website, cbs.com. the "overnight news" will be right back. in one tiny pill. move free ultra. get your move on. and now try move free night. the first and only 2-in-1 joint and sleep supplement. >> important message for residents age 50 to 85. write down this number now. right now, people are receiving

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it's all in one tiny pill. move free ultra. get your move on. the federal government wants carmakers to design and install new technology to help stop accidents. kris van cleave reports from the north american international auto show in detroit. >> reporter: vehicle-to-vehicle communication is designed to this car can talk to this car and every other car on the road multiple times a second, alerting a driver to a danger he or she may not even be able to see yet. equipping the country's cars and trucks with so-called v2v communications will allow

warn of potential danger. >> our goal is to see this technology put in place as soon as possible. we know that it has the capability to help us avoid accidents up to 80% of crashes today avoided because of this technology. >> reporter: in 2014, more than 32,000 32,600 people died on roads. are we talking 2020, 2040, when do you see there's enough vehicles on the road that v2v is a reality? >> i think you'll see immediate impacts in the sense that cars with this capability will be able to have some of the safety enhancing features right away. >> reporter: v2v uses technology

it allows the car to warn a driver before changing lanes or about a hazard ahead. already some cars come with blind spot detection and automatic braking. it may also be able to communicate with infrastructure, like stop signs. jamie kitman is the new york bureau chief for automobile magazine. he agrees it's life-saving technology but believes lit be a number of years before issues like hacking and p pvacy are addressed. >> you are going to be tracked like they have before. that has good uses. then there's the issue that most of the data being collected by private corporations. >> reporter: the auto industry is expected to support this regulation. early cost estimates have it at

that's expected to do leonardo decaprio was a big winner at the golden globes awards. >> reporter: the saga made months of punishing location shooting all worthwhile for the director and star. >> i was excited about going on this journey with this man right here, and this is a type of film that you won't see coming out of the hollywood studio system very off. it's a major -- it's an epic art film. >> you need a great partner to do journey like this. it's almost, you know, to climb a mountain this high, if you don't have the right partner, you will die. >> matt damon. >> reporter: another big winner, "the martian" and matt damon. when he arrived, he had to tell security that he lost his original security. >> i love that you're carrying your ticket. >> i printed this out.

i said i must have left it in the car. so i'm holding on to it for dear life. >> lady gaga "american horror story hotel." >> reporter: lady gaga proved herself as a superstar. the most tweets overall went to gaga and her breakthrough as an actress. >> i want to show you something you'll enjoy. >> reporter: what does this moment feel like? >> it's moments like that that i'm catapulted back to my apartment in new york when i had just a keyboard and mattress on the floor and i remember working three jobs to pay for demos and go to auditions. this is a dream. >> reporter: lots of eyes on jennifer lawrence and amy schumer. >> she said, shut up, just go. but i also blacked out. >> reporter: jennifer, you would

years. i'm an old lady. i need glasses to drive my car, deal. >> everything i got is moved on. >> reporter: the biggest cheer of the night erupted when sylvester stallone won for "creed." he said when he's writing, he talks to his most famous character. >> before you know it, you're having this -- and even though the majority of it is silly, just that much comes out of it and you go, thank you, thank you so much. >> that's the "overnight news" for this tuesday. for some of you, the news continues. for others, check back with us a little later for the morning

york city, i'm don dahler. there's starman waiting in the sky the master of reinvention. there is a worldwide outpouring of affection for music legend david bowie. also tonight, the raid that recaptured a drug kingpin, and the sean penn connection. the actor says, "i've got nothing to hide." when should women be screened for breast cancer? new recommendations tonight. and the first billion dollar lottery jackpot. some people are already cashing in. this is the "cbs overnight news." >> david bowie spanned generations. more than 140 million records sold, dozens of movies and broadway plays. always changing, he set trends

he died sunday of cancer, and as word spread, fans gathered in his native london and his adopted home, new york, to remember a man who once called himself a collector of personalities. anthony mason looks back. >> reporter: like the lost astronaut major tom in his 1969 hit "space oddity" -- ground control to major tom >> reporter: david bowie was always traveling between worlds. take your protein pills and put your helmet on >> reporter: his music and image perpetually morphing. ch-ch-ch-changes >> reporter: from ziggy stardust to the thin white duke, bowie would restlessly reinvent himself. >> i glip from one thing to another a lot.

>> it's like flip, but it's the '70s version. >> reporter: he made a rare effort to explain himself on the dick cavett show in 1974. >> i'm a storyteller and a story writer. i decided i prefefrred to enact a lot of the story and perform it myself. >> reporter: even his stage name was an invention. born david jones in britain, he changed his last name to avoid confusion with the monkees' davy jones. fame >> reporter: in 1975, "fame," written with john lennon, gave him his first number-one single in the u.s. in the '80s he topped the charts again. let's dance, put on your red shoes and dance the blues >> for bowie, it was always about more than just musus, as he told charlie rose in 1998. >> i find that the idea of having to say that i'm a

embarrassment to me because i don't really believe that. i've always felt that what i do is i use music for my way of expression. i don't believe i'm very accomplished at it. >> reporter: but his fearlessness made him one of the most influential performers of the rock era. bowie, who kept his cancer a secret, released his latest album, "blackstar," just this past friday on his 69th birthday. look up here, i'm in heaven >> reporter: a farewell from an artist who showed us he could be many things. there's a starman waiting in the sky >> reporter: and always be himself. sales of bowie's music have soared in the hours after his death. his new album looks destined to become his tenth number one, and twitter reports that some 20,000 tributes a minute were spreading across the internet in the hours after his death. scott? >> and it would be sir david,

in 2003. anthony mason, thanks so much, anthony. mexico may send the drug kingpin known as el chapo to the united states. he was captured friday around interview he granted to actor sean penn. penn said today he has nothing to hide about his relationship with joaquin guzman, whose nickname is spanish for "shorty." manuel bojorquez has new video of the capture which came six months after guzman escaped from a mexican prison. >> reporter: these dramatic images capture the moment mexican marines stormed a home in sinoaloa where notorious drug kingpin joaquin "el chapo" guzman was hiding. five of his men were killed during the shoot-out, but el chapo managed to escape through a set t intricate tunnels. authorities were later tipped off he was in a stolen car and arrested him.

this "rolling stone" interview that helped lead them to the elusive kingpin. actor sean penn met secretly with el chapo last october in a remote mountain location, a meeting set up by mexican actress kate del castillo, who had apparently been in touch with the drug lord while he was on the run. these images show penn and del castillo arriving at a mexican airport and greeting the men who would ferry the two to guzman. in the interview guzman brags to penn about being the world's leading drug supplier. he tells penn that it's a reality that drugs destroy. "where i grew up there was no other way and there still isn't a way to survive." el chapo had been on the run for six months after escaping from this maximum-security prison through an elaborate set of underground tunnels found just beneath his cell. he's now being held in the same prison, this time surrounded by

mexican officials are working to extradite him to the u.s., where guzman faces murder and drug trafficking charges in at least six states. juan miguel edmonson is a former special prosecutor for interpol in latin america. is there a chance we'll see el chapo escape again? >> there's more than all the eyes of the world put on him, therefore i don't think so. >> reporter: a mexican official said today the extradition process could take a year or more. here at the prison, authorities have not revealed where they are holding guzman, but they are moving him from cell to cell frequently to prevent another one of his infamous underground escapes. >> manuel bojorquez reporting for us tonight. manuel, thanks. the "cbs overnight news"

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well, it's three weeks now until iowa, and as the days grow shorter, the polls grow tighter. republican donond trump has a two-point lead over ted cruz. that is within the poll's margin of error. today, trump continued to raise questions about whether cruz, born in canada to an american mother, is eligible to be president. here's major garrett. >> it's wrong to say it is a settled matter because it's absolutely not. it's not a settled matter. that means that, you know, a lot of people think you have to be born here. >> reporter: before a lethargic and relatively small mid-day crowd in new hampshire, donald trump continued planting doubts about ted cruz's citizenship, saying gop voters will render the final verdict. >> it's one of those little decisions. m sure ted is thrilled that

i mean, i am. i mean, he's got to go and he's got to fix it. >> reporter: cruz has dismissed trump's suggestions. >> i have never breathed a breath of air on this planet when i was not a u.s. citizen. i've never been naturalized. it was the process of being born that made me a u.s. citizen. >> reporter: a new poll shows trump with a commanding lead in new hampshire with john kasich, marco rubio and cruz in a virtual tie for second. but trump's camp fears a cruz victory in iowa would catapult him ahead in new hampshire. rubio is also looking over his shoulder at chris christie, who is trailing him by just four points in new hampshire. today rubio attacked christie on key conservative issues. >> our next president cannot be someone who supports common core, who supports gun control, who has personally contributed to planned parenthood. these are things we need to reverse. >> reporter: on "face the nation" christie defended his record. >> marco himself has said i was a conservative reformer in new jersey. so here's the thing, i'm not going to spend my time talking about marco rubio.

he donated to planned parenthood, something his campaign now denies. scott, rubio today canceled a fundraiser and returned to d.c. after critics attacked his original plan, raise money and skip -- rather raise money instead of attending a senate classified briefing on north koa. >> major garrett in the newsroom. major, thank you. on the democratic side, the polls show hillary clinton and bernie sanders neck and neck in both iowa and new hampshire. nancy cordes has the latest on that. >> now i just have a difference with senator sanders. >> reporter: hillary clinton normally takes aim at her republican rivals, but in waterloo, iowa, today, she focused on bernie sanders and his proposals for new spending. >> there's no way if you do the arithmetic how to pay for what he has proposed without raising taxes. course was no coincidence. >> i'm really going to need your help.

shows sanders coming on fast in iowa and even outperforming clinton in the general election. n a theoretical matchup with donald trump, sanders leads in iowa by 13 points. clinton leads by 8. in a matchup with ted cruz, sanders leads by 5 points while clinton trails by 4. >> we have an excellent chance to win here in iowa. >> reporter: sanders told the state's largest newspaper that clinton's new attacks on him show she's "nervous and panicky," but he's doing the exact same thing. >> will she change her mind and join me in making sure that we can significantly raise the benefits for low-income people on social security? >> you know, these polls go up, they go down. >> reporter: on "face the nation" sunday, the former first lady downplayed both the numbers and trump's recent comments about her husband's infidelities in the '90s. >> they can say whatever they

more power to them. i think it's a dead end, blind alley for them, but let them go. >> reporter: clinton leads in later states like south carolina by up to 40 points, though she enjoyed a similar lead in iowa not that long ago, scott. >> nancy cordes on the campaign. nancy, thank you. today in london, a muslim preacher known for his fiery anti-western sermons went on trial. anjem choudary is charged with recruiting for isis. elizabeth palmer has this. >> reporter: on his way into court, britain's best-known radical islamist claimed it was all a setup. >> the only reason i'm standing here today is because i'm a muslim. >> reporter: choudary once for years has denounced western rights and freedoms. >> down with democracy! >> reporter: after the rise of isis in 2014, choudary sounded like a salesman for life under

>> everybody has free food, clothing and shelter. close your eyes and imagine a society. you haven't got a house? here's your house. you don't have electricity, here's free electricity. >> reporter: eventually, choudary's lectures in person and online got him arrested. on the eve of his trial, he sat down with us to insist he never directly recruited for isis. >> there's no record of me ever saying to go abroad and to live in the islamic state. >> reporter: did you have to? just by saying this is a muslim state and it is a place run under sharia law, is it an implicit endorsement? >> no, it isn't, in fact. >> reporter: but the british government disagrees. it believes choudary's campaigning contributed to the stream of hundreds of britons who went to syria to fight. one of them was siddhartha dahr, formerly choudary's close associate. he went to syria in 2014 and is now widely believed to be the man behind the mask in isis'

>> people of britain, know that today your citizenship is under our feet. >> reporter: anjem choudary faces ten years in jail if convicted, but the broader question is whether this british crackdown on recruiting will slow the flow of foreign fighters that isis depends on. >> liz palmer in the london newsroom tonight. liz, thanks. now in technology, the next generation of cars may be able to avoid most accidents automatically. the federal government is proposing a new technology regulation for carmakers, and kris van cleave has more from the detroit auto show. >> reporter: the newly proposed regulation will require technology to be standard in all new vehicles sold in the u.s. revolutionary as seat belts and air bags. once finalized, the rule will communication, or v2v, to be phased in over a few years.

technology put in place as soon as possible. >> reporter: secretary of transportation anthony fox. >> over the years we've had about 33,000 fatalities a year on our highways. if the technology then can substitute for human judgment and help us avoid those crashes. we think we can get as much as an 80% reduction. that's a huge change. >> reporter: as this department of transportation animation shows, v2v uses technology similar to wifi to link cars near each other on the road, allowing them to share information like speed and direction several times a second. so if the vehicle several cars ahead stops abruptly, your car would know almost instantly and warn you to slow down. it may also be able to talk to infrastructure like stoplights, telling the driver how long until a light changes. v2v builds on technology like blind spot detection and automatic braking already found in some vehicles. ford ceo mark fields. do you think this is the type of technology customers will pay

>> to a certain extent i think they will, but we'll see what the future brings. we're working very hard toward bringing and continuing to have more and more of those features in the vehicle. we'll see what the consumer decides. >> reporter: the auto industry supports the move to v2v technology, but there are some unanswered questions, how do you protect cars against hacking and what about all that data now being collected by our ever- smarter cars. >> kris van cleave in motor city. kris, thank you. new recommendations for when women should get mammograms. the "cbs overnight news" will be right back. (cell phone rings) where are you? well the squirrels are back in the attic. mom? your dad won't call an exterminator... can i call you back, mom? he says it's personal this time... if you're a mom, you call at the worst time. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico.

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a government medical panel issued new guidelines for when women and how often women should be screened for breast cancer. we asked dr. jon lapook to fill us in. >> look straight in here. >> reporter: today 44-year-old paula peirera had a mammogram. she's done that every year since turning 40. >> between me and my doctor, we've decided that i need to stay with having my yearly screening mammography. that's for my peace of mind. >> reporter: the u.s. preventative services task force says women of average risk should make an individual choice about whether to screen between the ages of 40 and 49 and be screened every other year between 50 and 74. studies suggest screening

effective at saving lives in women 50 to 59 as in women 40 to 49. still, in that younger age group, about four deaths are prevented for every 10,000 women screened over ten years. some doctors worry about the message these new guidelines may be sending to o unger women. dr. freya schnabel is the director of breast surgery at nyu langone. >> we have to remember that women in their 40s and below still get breast cancer. >> reporter: in your view, are we overemphasizing now the potential harm, including worry on the part of the patients? >> i think the worry issue is something that particularly, in my opinion, is very troublesome as a reason to avoid mammography. >> reporter: why? >> i think it's patronizing. adult women are capable of understanding that sometimes we all have to do things that we're not crazy about, but there's a long-term benefit. >> reporter: for women 75 and older, there was not enough evidence to make a

decision will rest on factors like a woman's risk and general health. >> dr. jon lapook, thank you, jon. and the doctor will be answering your questions on our facebook page right after the broadcast.

right back. today wall street snapped a - losing streak as stocks rallied in the last minutes of trading. the dow was up 52 and change. but oil slipped below $32, the lowest since 2003. there's an oversupply and the second largest consumer, china, is slowing down. our research department tells us that 114,000 americans have lost their jobs in the oil patch in 2015. a woman suspected of robbing jewelry stores in five southern states was in court in atlanta today. the feds say 24-year-old abigail kemp is the woman on surveillance video accused of tying up employees at gunpoint and taking more than $4 million in jewels. kemp was arrested friday. the fbi says cell phone records place her at each crime scene. some store owners are making out like bandits in powerball.

i mean, look at him. what. a. sweetheart. attaboy. wait, todd, what are you doing? how totally selfish and un-toddlike of you.

it's the miracle of compound interest. growing interest in powerball but no winners has pushed the jackpot to an all-time record nearly $1.5 billion. the next drawing is wednesday. here's jericka duncan. >> reporter: playing a game you're likely to lose may sound counterproductive, but even the slimmest of chances to become one of the wealthiest people in the world -- >> do you feel lucky today? >> reporter: -- has two million people per hour trying to cash in on a dream. what would you do with the money? >> i'd probably save some for my family and no one really needs that much money, so there's a lot of good causes to share it with.

legal in nevada, but powerball isn't. so thousands have traveled over the california border to buy tickets, even canadians are heading south to get in on the game. the powerball has also provided a business boom to convenience stores. mukesh sahi says his sales have tripled. >> people buying soda, products, cigarettes. >> the big mistake lottery winners make is they rush. >> reporter: attorney michael kosnitzky has been hired by a dozen lottery winners over the past decade. he says it's not only hard to win it but it's hard to keep it. >> how many of them are still millionaires? >> all of them. >> reporter: but a 2012 study showed 70% of lottery winners end up bankrupt. kosnitzky recommends taking the projected lump payment of more than $860 million, hiring an accountant, a tax attorney and a

after all, they don't make little later for the morning news and of course, "cbs this morning." from the broadcast center in new york city, i'm scott pelley.

this is the "cbs overnight news." >> welcome to the "overnight news." i'm don dahler. the tributes are growing in all corners of the globe after the death of rock star and trendsetter david bowie. he died sunday after an 18-month long battle with cancer, ending a five decade career that spanned music, film, stage and fashion. fans lit candles and left flowers outside his home in new york city. another memorial was growing outside an apartment building in berlin where he once lived. also in london, where bowie was a hero to millions, including prime minister david cameron. >> genius is an overused word. but i think musically, creatively, artistically, david bowie was a genius. for someone my age, he provided a lot of the soundtrack of my

heard "space oddity" to watching our athletes appear to the strains of "heroes." >> reporter: bowie turned 69 last friday, the same day he released his final album "black star," which is now rocketing up the pop charts. "black star" is the top selling album on i-tunes. and 2002's "the best of bowie" is number two. mark phillips looks back on his life and remarkable career. >> reporter: for a man known for so many images, this will be the last and enduring one of david bowie, the one from his latest album released last friday on his 69th birthday. look up here, i'm in heaven i've got scars that can't be seen >> reporter: the deathbed imagery and lyrics seemed to suggest he not only knew what was coming, he turned his death into his last artistic event.

danger >> reporter: and this may be the first image of bowie many remember. ground control to major tom his was a career that people first began to notice back in 1969, when people were being landed on the moon. that stopped, but bowie continued. there's a starman waiting >> reporter: he didn't just release songs, he became the persona that performed them. ziggy stardust in the '70s. there's a starman waiting in the sky and not just the songs, of course, but the ever-changing look. as he told charlie rose back in 1998, bowie was always about more than just the music.

first as a mu zigs? >> no, i find the idea of having to say that i'm a musician in any way is an embarrassment to me, because i don't really believe that. i always felt that what i do is i use music for my way of expression. i don't believe i'm very accomplished at it. >> reporter: others will disagree. bowie reinvented himself as he went along. with "fame" he brought what he called plastic soul as a white british artist to soul train. sean penn says he has no regrets about his interaction with joaquin el chapo guzman. the actor, activist and journalist says he's got nothing to hide. penn had interviewed el chapo in october. and mexican authorities said that meeting helped lead to his capture. there are efforts under way to extradite el chapo to the united states for trial, but it could take a year. manuel bojorquez is outside the prison where he's being held,

in july. >> reporter: according to a u.s. law enforcement source, mexican authorities worry el chapo would bribe his way to another escape from this prison behind me. just a day after his arrest, a "rolling stone" article was posted detailing a secret meeting with actor sean penn. sean penn said he agreed to let el chapo review the article before being published but the drug lord did not ask for any changes. this picture was taken as proof of the secret meeting between the academy award winner and a drug cartel kingpin. in a lengthy rolling stone article, sean penn said he met with guzman last october, deep in the mexican jungle. he describes him as unapologetic and he has indisputable charisma, saying --

around the world, including the united states, is maddening. >> reporter: penn says they met for seven hours and ate tacos at a picnic table. they agreed to reconvene eight days later for a formal interview. but mexican authorities raided that hideout shortly after that meeting and the interview was canceled. instead of meeting again in person, penn sent el chapo questions that he answered on camera with the help of an interpreter. it's a reality that drugs destroy el chapo says in spanish during one part of the video. where i grew up, there was no other way and there still isn't a way to survive. the 17 minutes of footage was given to mexican actress kate del castillo. she arranged the sit-down between penn and the drug lord. she gained el chapo's attention and perhaps his trust when she tweeted at him in 2012, writing i believe more in el chapo guzman than in the governments that hide the truth.

chapo on friday. they say he initially fled through the sewer system after a deadly shootout. he was apprehended in a stolen car near the outskirts of town. according to a u.s. law enforcement source, police were tipped off by intercepted phone calls and penn's visit. >> the capture of el chapo is shining the spotlight on the actress kate del castillo. she has a knack of portraying mexican underworld figures. el chapo was apparently one of her biggest friends. >> you must have a very beautiful life. >> many americans know that kate del castillo -- >> don't interrupt me. it's impolite. and breaches in etiquette make me want to throw things. >> -- as a mexican crime boss. >> next time hire someone that doesn't work for me and isn't still mad at you for ratting him out. >> two years later, she starred

the south." joss lynn is the managing editor. >> i would say that she's kind of like the jennifer lawrence of mexico. she is known for being a strong, powerful latina woman. >> an outspoken advocate against human trafficking, in 2012 she foesed an open letter on twitter, urging el chapo to burn all those whore houses where women are worth less than a pack of cigarettes, adding you would be the heroes of heroes. that caught el chapo's attention and the two reportedly began communicating after that post. del castillo wants to make a movie about el chapo's life, arranging the interview with sean penn. and even serving as the translator. >> del castillo has not been arrested or charged with any crimes over her dealings with el chapo. a spokesman says she has no comment at this time.

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a convoy of food and medicine has finally reached the syrian city of madiah, which has been under siege for months. two other aid convoys reached towns which are under siege by rebel troops fighting the assad government. the complex battlefield in syria includes the russian air force. bill whittaker was invited to visit russia's main air base there for "60 minutes." >> reporter: this was the first face we saw after landing. that's syrian president bashar al assad. this once was a syrian airport. since the summer, the russians have built barracks, brought in 4,000 personnel, paved roads, rolled in truckloads of equipment and munitions, erecting a bit of russia in the heart of assad controlled syria.

territory. at least 20 miles from the closest front lines. but the russians aren't taking any chances. helicopter gunships constantly patrolled the perimeter. they took us out along newly extended runways to watch a steady series of planes taking off. the roar was deafening. the russians invited about a dozen news organizations on this tour of the air base. they especially wanted us to take note of their newest fighter bomber, the su-34. our russian guide in syria, major general igor kanashankov, is chief spokesman for the ministry of defense. over the previous 24 hours, he said, 320 insurgents and 34 armored vehicles were destroyed. independent monitoring groups

saw taking off did bomb isis targets, but most bombed more immediate threats to the assad regime, groups like the u.s.-backed free syrian army and al nusra, the syrian arm of al qaeda. the general wouldn't tell us how many planes are flying missions, but american military sources say the russians have 36 fighter planes and 17 helicopters. the russian military says they have flown more than 5,000 sorties, mostly from here, since president putin ordered the bombing campaign in september. what is the primary goal of russia in this intervention? >> translator: the main task is to restore statehood in this region, syrian statehood. >> reporter: this is the chairman of the russian parliament's defense committee. he was involved in the planning of the syrian mission.

primarily on defeating isis, and russia seems to have other priorities supporting the assad regime and helping the assad regime fight its enemies. and that seems to take priority over fighting isis. >> translator: if you cut off the head, you get chaos. there's chaos in libya, chaos essentially in iraq. half the country is under isil. and the head was chopped off there, you see? so if you want to so stubbornly remove the leaders of syria, it's an enormous mistake. >> i'm just wondering if you believe that assad has a role in the future of syria? >> translator: the problem is that he's lost some of his authority. the people themselves must figure out in elections who to follow and how to build their lives, which has been

>> reporter: ruined in large part by president assad's own military. we got the sense the admiral is not crazy about the syrian president, who has dropped bombs on his own people. the admiral used a derogatory term to describe assad, then asked that we not repeat it on tv. >> translator: we know why the opposition was formed. it was formed due to the mistakes of the president of syria himself. >> reporter: when they launched this mission in september, the russians said it would be temporary. after months of almost daily bombing, isis and the other insurgent groups have barely been budged from the territory they hold. and russia has added more planes and expanded to other bases here in syria. the mission doesn't look so temporary anymore. did russia overestimate the power of the syrian army? >> translator: we have been

fulfilling them. president assad shouldn't rest on his laurels. he needs to work on his army and raise its morale, and if necessary, lead tharmy himself. he needs to unite his forces, which are scattered like fingers. they must be clinched into a fist. if you can't beat them, at least you can give them a black eye. >> reporter: it was the russians who got a black eye when one of their warplanes was shot down and the pilot killed by the turkish air force in late november. that incident may have been why we were taken to tartus, two hours south of latakia. this is the russian navy's only foothold in the mediterranean. holding onto this base seems to be one reason president putin maintained and is escorting his support of bashar al assad.

"the moscow," a guided cruiser that lay a mile offshore. they brought us aboard and did everything short of firing off a missile to demonstrate russia's naval might. "the moscow" is normally the flagship of the black sea fleet. it now has a new mission. when i see all of this, i just & wonder who are you fighting? isis doesn't have any capability like this. >> translator: the general told us the ship's main mission is not to fight terrorists. >> reporter: after turkey shot down the russian fighter, "the moss wow" was reassigned to provide anti-aircraft defense. it was supposed to be a war against isis and islamic terrorism, is a sign just how complicated this temporary mission has become. >> russia has to be reckoned

goal all along throughout the 15 years of his leadership. >> reporter: maria lipman is a political analyst in moscow, one of the few independent voices willing to publicly criticize president putin. >> seeing russia, wage thing state of the art military operation in very important region, made the russians feel proud of this, beginning with the annexation of crimea. when russia reinstated historical justice, the way it was seen in russia. >> so this is primarily not about syria but about russia's place in the world? >> of course it is also about syria, but i don't think the goal -- the primary goal was to stop the war. i think the primary goal was russia's stature in the world. >> reporter: we wanted to know

war here in latakia, a home to about 2 million people. this is assad territory. the shops looked full and life seemed normal as we rode through town. we weren't allowed off the bus for security reasons, our russian minder said. instead, they took us to a refugee camp at the city's sports complex. while hundreds of thousands of syrians have fled to europe from the bombs and brutality of president assad and his opponents, the russians wanted to show us people that have fled to the safety of the syrian government. these are about 5,000 of the millions of refugees from this civil war. amid the tents, we found this woman. she's been here three years after fleeing aleppo with her daughter and grandchildren. what was happening in aleppo that made you come here to this camp? "they destroyed our homes," she

she said her son was killed. you lost everything? she told us she didn't know who was responsible for the barrel bombs dropped from a plane that destroyed her house. but barrel bombs are a signature weapon of the assad regime. do you hope to go home again? "god willing," she said. she told us she felt safe here in the government-run camp and she was grateful to the russians for helping out. >> you can see bill whittaker's full report on our website,

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the federal government wants carmakers to design and install new technology to help stop accidents. kris van cleave reports from the north american international auto show in detroit. >> reporter: vehicle-to-vehicle communication or v2v, is designed so this car can talk to this car and every other car on the road multiple times a second. alerting a driver to a danger he or she may not even be able to see yet. now the department of transportation is taking a key step to making v2v a requirement for all new cars. equipping the country's cars and trucks with so-called v2v communications will allow

warn of potential danger well before driver sees it. transportation secretary anthony fox. >> our goal is to see this technology put in place as soon as possible. we know that it has the capability to help us avoid accidents up to 80% of crashes today avoided because of this technology. >> reporter: in 2014, more than 32,600 people died on roads. the newly proposed rule will call for standard v2v technology to be phased in over a period of years but still must clear a public comment period. are we talking 2020, 2040, when do you see there's enough vehicles on the road that v2v is a reality? >> i think you'll see immediate impacts in the sense that cars with this capability will be able to have some of the safety enhancing features right away. >> reporter: v2v uses technology

it allows cars in close proximity to share information. it allows the car to warn a driver before changing lanes or about a hazard ahead. already some cars come with blind spot detection and automatic braking to prevent some collisions. it may also be able to communicate with infrastructure, like stop signs. letting drivers know how long until an upcoming light changes. jamie kitman is the new york bureau chief for automobile magazine. he agrees it's life-saving technology but believes it will be a number of years before issues like harking and privacy are addressed. >> you are going to be tracked like never before. that has good uses. charting traffic flows, and then there's the issue that really most of the data being collected by private corporations, and they will seek to use that to their benefit. >> reporter: the auto industry is expected to support this regulation. early cost estimates have it at about $100 a vehicle. that's expected to drop over time.

be right back. leonardo dicaprio was a big winner at the golden globes awards. kevin frasier has the story from hollywood. >> the revenant. >> reporter: the saga made months of punishing location shooting all worthwhile for the director and star. >> i was excited about going on this journey with this man right here, and this is a type of film that you won't see coming out of the hollywood studio system very often. it's a major -- it's an epic art film. >> you need a great partner to do a journey like this. it's almost, you know, to climb a mountain this high, if you don't have the right partner, you will die. >> matt damon, "martian." >> reporter: another big winner, "the martian" and matt damon. when he arrived, he had to tell security that he lost his original ticket. >> i love that you're carrying your ticket. >> they said, where's your

i said i must have left it in the car. oh, we'll have to print you another one. so i'm holding on to it for dear life. >> lady gaga "american horror story hotel." >> reporter: lady gaga proved herself as social media superstar of the estimated 4.4 million tweets about the globe. the most tweets overall went to gaga and her breakthrough as an actress. >> i want to show you something you'll enjoy. >> reporter: what does this moment feel like? >> it's moments like that that i'm catapulted back to my apartment in new york when i had just a keyboard and mattress on the floor and i remember working three jobs to pay for demos and go to auditions. this is just a total dream. >> reporter: lots of eyes on jennifer lawrence and amy schumer. when j-law beat amy, she whispered in her ear. >> she said, shut up, just go. but i also blacked out. >> reporter: jennifer, you would be wise to take a cue from kate winslet. she won for "steve jobs." >> i've been acting for 23 years.

i need glasses to drive my car, and these moments mean a great deal. >> everything i got is moved on. >> reporter: the biggest cheer of the night erupted when sylvester stallone won for "creed." once again, bringing back rocky balboa, sly told us that when he's writing he actually talks to his most famous character. >> adrian! >> before you know it, you're having this -- and even though the majority of it is silly, just that much comes out of it and you go, thank you, thank you so much. >> that's the "overnight news" for this tuesday. for some of you, the news continues. for others, check back with us a little later for the morning news and "cbs this morning."