captioning funded by cbs good morning from the studio 57 newsroom at cbs headquarters here in new york. i'm anne-marie green. for the first time in 50 years the kansas city chiefs are super bowl champions this morning. last night the chiefs led by quarterback patrick mahomes defeated the san francisco 49ers 31-20 in a thrilling come from behind victory. fans in kansas city erupted into wild cheers as their team clinched the nfl championship title. the chiefs are set to be honored at parade on wednesday in their hometown. laura podesta is here in new york. tell us more about the chiefs big win. >> reporter: this morning the kansas city chiefs are reveling in their first super bowl victory in 50 years. red and yellow confetti rained down on players at hard woke stadium in miami. fans back at home they couldn't contain their excitement. this played out all over kansas city. quarterback patrick mahomes helped the chiefs take charge leading to a defeat of the san francisco 49ers, 31-20. he helped the chiefs erase a 10-point deficit with three consecutive touchdown drives in the fourth quarter. >> if i knew a way to win in the end with these guys around me it's truly historic. >> reporter: mahomes is now the youngest quarterback to be named super bowl mvp. he joins tom brady to be the only one to do so before turning 25. >> i know the game was thrilling. when i checked out my social media, all the buzz before the halftime show with jennifer lopez and shakira. my favorite part of any super bowl is the halftime show performance. come on. there was a special guest there too. a bit of a surprise. >> reporter: jennifer lopez welcomed her daughter on stage. the 11-year-old stole the spotlight with her rendition of "let's get loud." backed by shakira on the drums. she sang along to bruce springsteen's hit of "born in the usa." j-lo wore a came showing the american and puerto rican flags which is a nod sue herera tag. they performed a immediately of hits including "jenny from the block" and shakira's "hips don't lie." the latina pop stars put on an iconic performance. >> sure seems like it. thank you very much. onto politics. democratic candidates are hoping for a political victory today. the first votes will be cast in the iowa caucus. over the weekend candidates hoping to unseat president trump crisscrossed the state in a last ditch effort to get votes. cbs news poll shows senator bernie sanders and former vice president joe biden locked in a tight race at the top. michael george is in des moines. michael, what have you seen in the final hours of campaigning? >> reporter: well, ann-marie, a close contest here in iowa and the candidates know it. they spent the weekend trying to get as much face time with voters as possible. when we talk to voters we hear a lot of excitement, engagement. democratic leaders are predicting the biggest turnout for the caucuses ever. >> we're going to beat donald trump. >> reporter: the final stretch. >> never had a greater responsibility than you have today. >> reporter: every second counts. >> our volunteers in a state of 3.1 million people have knocked on 500,000 doors. >> reporter: democratic candidates are making a last minute blitz across the state with campaign volunteers going door-to-door to rally support. these last few hours are crucial because even now there are some caucus goers who are still undecided. >> kind of open to everything. i haven't delved into it enough to really see what each one is backing right now. >> i'm still undecided. but i have like a top two or three. >> reporter: throwing a wrench in the race, the impeachment trial. the senators in the running have had to divide their time between iowa and capitol hill. and the trial resumes today. as the democratic senators head back to washington, president trump is sending dozens of his top aides here to iowa. >> reporter: is part of your visit here stealing some fun from democrats who are all over? >> it sounds like they are throwing their thunder and lightning at each other. >> reporter: former vice president biden and senator bernie sanders in a dead heat trailed by pete buttigieg and senators elizabeth warren and amy klobuchar. but voters second choices can play a role in the caucus so this remains anyone's race. so what's at stake here? candidates are hoping that because this is a first in the nation contest a win here could set the tone for the whole race. even set them up as the democratic front-runner. the last four democratic nominees got their first big win here in iowa. >> all right michael george, thank you so much. our iowa caucus coverage will continue with cbs "this morning". tony dokoupil is in des moines to bring us the latest news, polls and insight from the voters. >> closing arguments are set for today in the president's impeachment trial. house managers and president trump's defense team will return to the senate floor. on tuesday the president delivers his state of the union address. on wednesday senators will hold a vote which will likely end in an acquittal for mr. trump. in an interview with fox news the president said it will be hard to work with democrats moving forward. >> i would like to, but pretty hard when you think about it. they don't care about fairness. they don't care about lies. i'm not sure they can do it. i think they just want to win. >> on friday republicans blocked consideration of new witnesses and documents in the trial. now to the efforts to contain the spread of the coronavirus. it has killed more than 360 people and infected more than 17,000 people around the world. most of them in china. there are 11 confirmed cases here in the u.s. the department of homeland security is warning airline passengers that their flights may be rerouted if officials discover that someone on board has been in china in the last 14 days. jonathan vigliotti has more on the travel restrictions which went into effect yesterday. >> reporter: u.s. citizens returning from china's hubei province will now face mandatory quarantines lasting as long as two weeks. their possible home upon return one of four military facilities around the country including california's travis air force base where up to 1,000 people could be held. non-u.s. citizens who have been in areas recently impacted by the coronavirus will be temporarily banned from entering the united states. the cdc said it's the first quarantine order by the federal government in over 50 years. the historic crackdown coming as more persons test positive for the virus. national security adviser robert o'brien speck on "face the nation". >> almost 15,000 cases of infection in china. 300 deaths. right now there's no reason for americans to panic. this is something that's a low risk we think in the u.s.. >> reporter: low risk but not no risk. a boston man tested positive on saturday. the student in his 20s returned from wuhan, china last tuesday one day before logan airport began screening for the virus. he's being monitored at his home. >> anyone who came into contact with him we're working on that situation when he came back from wuhan, china. he notified his medical professional right away. >> reporter: the infection is double that of the sars outbreak in 2002 but what many experts call encouraging the coronavirus mortality rate is significantly less. new information is emerging this morning about a stabbing attack in london. police say the 20-year-old suspect was released from prison last month after serving time for terrorism offenses. the man allegedly stabbed two people on a london treat yesterday. the victims are expected to survive. police say the suspect was also wearing a fake bomb. he was shot and killed by police. the suspect was jailed in 2018 for possession of terrorist documents and disseminating terrorist publication. coming up on the morning news now, a farewell to kobe bryant. details are expected to be released soon for his funeral. oscar preview. we'll show you the war movie that won big last night. this is the "cbs morning news". big last night. this is the "cbs morning news". ready to juvéderm it? 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( ♪ ) juvéderm it. talk to your doctor about the juvéderm collection of fillers. talk to your doctor with a plan tailored to you! whether you're a dine outer, take outer, veggie person, definitely-not-just-veggie person, bread lover, or cheese lover... all you have to do is answer personal assessment questions and get scientifically matched with a proven weight loss plan. find out which new customized plan can make losing weight easier for you! the new program from ww. weight watchers reimagined. join for free + lose 10 lbs. on us! hurry, offer ends february 3rd. in patients have arrived today at a specialized hospital to treat the coronavirus. this sped up video from china state media shows how the hospital near the epicenter of the outbreak was built in just ten days. the hospital has 1,000 beds and is in the countryside far away from the center of wuhan. a second hospital is also under construction. wuhan has been on lockdown for more than a week to try to stop the virus from spreading. back at home, there will soon be details on a funeral for kobe bryant. a terror link to a florida based shooting. those are some of the headlines on the morning newsstand. the "new york times" reports al qaeda in the arabian peninsula is claiming responsibility for a deadly attack on a u.s. naval base in florida. a saudi military officer at naval air station pensacola shot and killed three sailors in december. he also wounded eight people. the saudi officer was shot dead by a sheriff's deputy. yesterday the militant group released an audio recording purportedly from the leader qassim al rimi saying that it directed the officer to carry out the shooting. qassim al rimi was reportedly killed in a u.s. drone strike last week in yemen. "usa today" reports the ntsb's preliminary report on the helicopter crash that killed kobe bryant could be released this week. an investigator says the report will not make a determination into the cause of the crash, those findings may not be released until the final report which could take up to 18 months. we could also learn details soon on the funeral plans for the victims. bryant's family and los angeles officials are still working out arrangements to accommodae what's expected to be a massive number of mourners. partners at the bbc report the world war i movie "1917" was the biggest winner at the british academy film awards. the movie about two british soldiers took home seven baftas including best picture and best actor for sam mendez. diversity took center stage also. all 20 acting nominees were white. no female directors were nominated. best actor winner joaquin phoenix slammed the lack of diversity. he said it sent a clear message to people of color that they are not welcomed at the baftas. >> i think people just want to be acknowledged and appreciated, respected for their work. this is not a self-righteous condemnation because i'm ashamed to say i'm part of the problem. prince william who is the president of bafta told the audience the organization takes the issue of diversity seriously and has launched a review of the entire awards process. still ahead super bowl fever. how millions of americans plan to skip work today in record numbers following the football championship. the football championship. medicine that's why i've got the power of 1, 2, 3 medicines with trelegy. the only fda-approved once-daily 3-in-1 copd treatment. ♪ trelegy ♪ the power of 1,2,3 ♪ trelegy ♪ 1,2,3 ♪ trelegy woman: with trelegy and the power of 1, 2, 3, i'm breathing better. trelegy works three ways to open airways, keep them open and reduce inflammation, for 24 hours of better breathing. trelegy won't replace a rescue inhaler for sudden breathing problems. trelegy is not for asthma. tell your doctor if you have a heart condition or high blood pressure before taking it. do not take trelegy more than prescribed. trelegy may increase your risk of thrush, pneumonia, and osteoporosis. call your doctor if worsened breathing, chest pain, mouth or tongue swelling, problems urinating, vision changes, or eye pain occur. think your copd medicine is doing enough? maybe you should think again. ask your doctor about once-daily trelegy and the power of 1, 2, 3. ♪ trelegy, 1,2,3 woman: save at trelegy.com. >> man: what's my ♪i spin my truck. time it's my livelihood. ♪ rock music >> man: so i'm not taking any chances when something happens to it. so when my windshield cracked... my friend recommended safelite autoglass. >> tech: hi, i'm adrian. >> man: thanks for coming. >> tech: oh, no problem. >> tech: check it out. >> man: yeah. they came right to me, with expert service where i needed it. that's service i can trust... no matter what i'm hauling. right, girl? >> singers: ♪ safelite repair, safelite replace. ♪ here's a look at today's forecast at some cities around the country. some cities around the country. on the "cbs money watch" there's a loophole in the e-cigarette ban and millions of workers will be calling out sick on this monday after the super bowl. diane king hall is at the new york stock exchange with that and more. good morning. >> reporter: good morning. you and i are here and wall street may be aiming for a rebound after stocks skid on friday amid fears that the coronavirus outbreak will impact the global economy. the dow sank 603 points, the nasdaq plunged 148 and s&p 500 dropped 58. teenagers have apparently found a loophole in the fda's new ban on flavored e-cigarettes. teens are switching from cartridge based brands like juul to disposable cigarettes. last month the trump administration banned the flavors of fruit and mint for e-cigarettes. the policy doesn't apply to nonrefillable devices. bad boys boys are live set a new box office record. >> what happened? >> time we be good men. >> reporter: after three weeks in theaters the reboot of the 1990s franchise is officially the highest grossing installment in the action comedy series. the film brought in more than $17 million. "1917" came in second bringing in $9 million and "dolittle" came in third. don't be surprised if some of your co-workers caught the game flu the day after the super bowl. often a sick out day for millions of americans. according to a recent survey by the workforce institute, more than 17 million employees are expected to skip work today. the largest amount since the institute started tracking 15 years ago. an estimated 11 million workers plan to use pre-approved time to stay home. 5 million will call out even though they are not sick. companies bet big on ads. a 30 second spot cost up to $5.6 million. last year a 30 second commercial cost $5.2 million. >> did you get a chance to watch any? both of us probably go to bed pretty early? >> reporter: i saw a few of them. a couple that stand out to me, the hyundai smart park ad with the boston accent. >> of course. >> reporter: smart park dorchester. then tom brady, is he coming back or not. even though brady wasn't in the super bowl he kind of was with a teaser this year. that was a good one. the google one that went either way. you had some people thinking it was a little creepy. i was on the side, google knows too much. >> the thing about these ads, once upon a time you had to watch the football game to watch them but now they are on youtube. trying to get their money's worth, right? >> reporter: yes, indeed. >> diane king hall at the new york stock exchange, thank you. still to come, super bowl tribute. football's biggest night takes time to honor basketball legend kobe bryant. to honor basketball legend kobe bryant. hy-a-lur-onic acid. there's aevery minute!um is sold revitalift derm intensives hyaluronic acid serum from l'oréal. with our highest concentration of hyaluronic acid in a serum, seriously hydrates to visibly replump skin in 1 week. and reduces wrinkles for younger looking skin. powerful results. validated by dermatologists. now we're talking. revitalift hyaluronic acid serum from l'oréal paris. because we're worth it. what does help for heit looks like this.ke? ♪the beat goes on entresto is a heart failure pill that helped keep people alive and out of the hospital. don't take entresto if pregnant; it can cause harm or death to an unborn baby. ♪la-di-la-di-di don't take entresto with an ace inhibitor or aliskiren, or if you've had angioedema with an ace or arb. the most serious side effects are angioedema, low blood pressure, kidney problems, or high blood potassium. ask your doctor about entresto. ♪the beat goes on yeah! here's a look at today's forecast in some cities around the country. during yesterday's pre-game ceremony at the super bowl in miami, there was a moment of silence. the name kobe bryant flashed up on the scoreboard along with the eight others killed in a helicopter crash last weekend. nfl hall of famer chris doleman was honored as well. he died last week after a long battle with cancer at the age of 58. coming up on "cbs this morning" tony dokoupil is in des moines for full coverage of the iowa caucus. i'm anne-marie green. this is the "cbs morning news". coverage of the iowa caucus. i'm anne-marie green. this is the "cbs morning news". health entourage. n he gets medicare's largest healthcare network, a free gym membership, vision, dental and more. there's so much to take advantage of. can't wait till i'm 65. a few more chairs, please. unitedhealthcare medicare advantage plans, including the only plans with the aarp name. free dental care and eye exams, and free designer eyewear. go ahead, take advantage. (vo) imagine a visibly healthier purina one.ays. natural ingredients... in powerful combinations. for radiant coats, sparkling eyes. purina one. one visibly healthy pet. try digestive health with probiotics for dogs. our top stories this morning, for the first time in 50 years the kansas city chiefs are super bowl champions. last night the chiefs led by quarterback patrick mahomes defeated the san francisco 49ers 31-20. it was a come from behind victory. the chiefs are set to be honored in a parade on wednesday in their hometown. first votes in the 2020 race for the white house will be cast as the iowa caucuses get under way today. over the weekend candidates crisscrossed the state in a last ditch effort to get support. a cbs news poll shows senator bernie sanders and former vice president joe biden locked in a tight race at the top. and while the candidates focused on the caucuses, president trump is attacking some of his potential rivals as ben tracy explains he's also lashing out at his impeachment trial. >> it's been a very, very unfair process. >> reporter: in a pre-super bowl interview with fox news sean hannity, president trump was asked if he can still work with democrats in congress after impeachment? >> well i would like to but it's pretty hard when you think about it. they don't care about fairness. so i'm not sure that they can do it to be honest. i think they just want to win and it doesn't matter how they win. >> reporter: an acquittal of the president this week is all but assured, house manager adam schiff says he'll keep trying to convince senators to convict. >> we'll go into the senate this week and make the case why this president needs to be removed. it will be up to the senators to make that final judgment and senators will be held accountable for it. >> reporter: the president is looking beyond impeachment. on saturday night he was the star of a campaign kick-off show at his mar-a-lago club and is now increasingly focused on his 2020 opponents. >> i would love to run against bloomberg. i would love it. >> reporter: but a barrage of anti-trump tv ads funded by mike bloomberg seems to be getting under the president's skin. >> donald trump is counting on being able to divide america to win an election. >> reporter: in a series of tweets mr. trump has dubbed bloomberg, mini mike, a knock on bloomberg's height. >> now he wants a box to stand on for the debates. that's okay. nothing wrong. you can be short. why should he get a box to stand on, okay? he want as box for the debates. >> reporter: the bloomberg campaign is not shying away from the fight. in fact they seem to be trying out trump, trump, accusing trump about being a liar who lies about everything from his fake hair to his obesity to his spray on tan. ben tracy, cbs news, palm beach, florida. >> coming up this morning, tony dokoupil is in des moines with full coverage of the iowa caucuses. plus speak with tyler matthew of the kansas city chiefs about their super bowl win. and actress claire danes talks about her hit series "homeland". that's the "cbs morning news" for this monday. thanks for watching. i'm anne-marie green. have a great day. series "homeland". series "homeland". -- captions by vitac -- www.vitac.com -- captions by vitac -- www.vitac.com