2020. this is the "cbs morning news." countdown to iowa. six candidates will debate in the hawkeye state tonight, 20 days out from the caucuses. but not a single minority will be represented on stage. fallout around the world from the u.s.-iran standoff. meanwhile, iran's president just made a new announcement to his people amid arrests in the accidental downing of a passenger plane. plus -- >> lsu sits on the throne of football. >> lsu dethrones clemson to win the college football national championship. we'll take you to the we'll take you to the celebration. captioning funded by cbs

good morning from the cbs news headquarters here in new york. good to be with you, i'm anne-marie green. we begin with a night of contenders hoping to unseat president trump in november. they're squaring off in their final debate before the iowa caucuses, less than three weeks away. bernie sanders, joe biden, elizabeth warren, pete buttigieg, amy klobuchar, and tom steyer have secured a place on stage in des moines. the debate comes just one day a booker announced that he's dropping out of the race. skyler henry is in des moines. >> reporter: tonight's democratic presisidential showdn at drake university features six of 12 candidates still standing. the smallest lineup to take the debate stage yet. >> now is where iowans are weighing what to do, that famous thumb on the scale that you have. >> reporter: a poll released over the weekend shows vermont senator bernie sanders leading the pack in iowa, followed closely by massachusetts senator elizabeth warren.

former south bend, indiana, mayor pete buttigieg and former vice president joe biden. >> these are all well-seasoned decrats wiwatching closely for a candidate they believe could beat president trump. >> in iowa, we have the opportunity to vet candidates unlike any other voters in any other state save new hampshire. we really get to put these candidates to a test. >> reporter: the debate will be th o voters to compare the candidates side by side before their caucuses on february 3rd. senator amy klobuchar and billionaire businessman tom steyer will join sanders, warren, biden, and buttigieg on stage. no minority candidate will be there even though andrew yang and former massachusetts governor duval patrick are still in the 2020 contest. >> does that resonate to folks that you're speaking with at all? >> oh, absolutely. even iowans are seriously thinking how did we get here with that kind of lineup. >> reporter: senator cory booker

suspended his campaign monday after failing to reach the poll numbers to qualify for tonight's debate. >> ahead on "cbs this morning," senator cory booker will be in studio 57 to discuss why he suspended his campaign. and now to breaking developments from iran. in a televised speech this idid those respe dngrainian paengea. hassan rouhani called the shoot-down an unforgivable error and assured it will not happen again. iran's judiciary announced it has arrested some people for their role in the crash. this comes amid a debate on capitol hill over curbin president trump's military action in iran. we have more. naomi, what's happening in the senate? >> reporter: anne-marie, senate majority leader mitch mcconnell says he opposes a senate resolution limiting the president's power on military action. he also said a vote on that measure would happen soon.

there appears to be support on both sides of the aisle, though, as the proposal was co-sponsored by two republicans. >> innocents bear the brunt -- >> reporter: justin trudeau blames the military escalation between the u.s. and iran for the downing of a civilian plane that killed 176 people. >> if there was no escalation recently in the region, those canadians would be home with their families. >> reporter: 57 canadians are among the dead. iran mistakenly shot down the plane shortly after it attacked al asad air base. no u.s. troops were killed. they took shelter as iran launched to nearly a dozen ballistic missiles. >> we held one another. i still can't fathom that no one was hurt. >> reporter: the barrage was in retaliation for the killing of iran general qassem soleimani. >> the number-one terrorist in the world by every account. >> reporter: the administration claims it killed him to prevent an imminent ck.

>> reporter: yesterday, president trump tweeted "it doesn't really matter." cbs news has confirmed he authorized a strike on s as early as last summer if iran was responsible for an american death. that came late last month in a rocket attack on an iraqi military base. >> the president's foreign soon debate a war powers resolution aimed at limiting further escalation with iran. republican majority leader mitch mcconnell will vote no. >> we appear to have restored a measure of deterrence in the middle east. so let's not screw it up. >> reporter: the house passed a similar measure last week. meantime, the justification for that attack in iran seems to be a moving target. both secretary of state mike pompeo and attorney general william barr are now implying that the attack was part of a broader goal to deter iran's dangerous regime. that is quite different from the

threat of an imminent attack. other than president trump's mention of a potential strike four u.s. embassies, the specific evidence the administration is willing to share is slim. anne-marie? >> naomi ruckham. very much. >> thank you. 21 military students from saudi arabia were expelled from the u.s. overnight after an investigation into a deadly shooting at a pensacola naval base. the attack last month was apparently motivated by terrorism. three american troops were killed. katherine herridge has this report. this was an act of terrorism. >> reporter: attorney general william barr said muhammad sayeed alshamrani was motivated by jihadist idealogy. >> the shooter posted a message on september 11th of this year stating the countdown has begun. >> reporter: the fbi investigation indicates that the shooter acted alone. however, 21 saudi nationals who trained at u.s. bases are being kicked out of the country.

their social media accounts turned up postings with jihadist material and child pornography. >> i have one navy officer shot -- appears multiple times. >> reporter: the fbi also provided harrowing details of the attack. the december 6th shooting at the pensacola air station lasted 15 minutes, with 180 rounds of ammunition. the saudi gunman killed three american sailors and wounded eight other people before police killed him. two weeks before the aviation student had visited new york city's 9/11 memorial. >> the shooter fired shots at pictures of the current u.s. president and a former u.s. president, and a witness at the scene recounted that he made statements critical of american military actions overseas. >> reporter: two iphones were recovered at the scene. one in the gunman's car and one near his body that he had deliberately put a bullet through. the fbi is now asking apple for help unlocking the phones. >> it is very important for us

to know with whom and about what the shooter was communicating before he died. >> that was katherine herridge reporting. now to president trump's impeachment trial. two republican senators tell cbs news that majority leader mitch mcconnell is telling his republican conference the trial will start next tuesday and that id last aleast three to five weeks. the ground rules are still being negotiated.deite the president nnell's pport for a h proposal from a small group of republican senators to do just that. >> the president shouldn't have to go through this. he did nothing wrong. >> reporter: on twitter monday, president trump called impeachment the most unfair witch-hunt in the history of congress. >> dismissing is a cover-up. they will have to be accountable for not having a fair trial. >> reporter: house speaker nancy pelosi is expected to choose house managers for the senate trial after pelosi consults with her caucus tuesday. sometime this week the house

will deliver the articles of impeachment to the senate. >> i'm glad the speaker finally realized she never had any leverage in the first place to dictate senate procedure to senators. >> reporter: senator mcconnell has said he will not hold a vote on witnesses until midway through the trial. maine senator susan collins says she's working with a small group of republicans to ensure that both sides can call witnesses. >> with one exception, every impeachment trial of any official in the history of the united states has featuredesses. >> reporter: president trump has said he wants congressman adam schiff, housuse speaker nancy pelosi, and joe and hunter biden to testify in a senate trial. a senior white house official ir thesidentill invoke executive privilege to block testimony from former national security adviser john bolton. cbs news, capitol hill. coming up on the "morning news," the houston astros face punishment for a cheating scandal. and royal blessing. prince harry and meghan markle get support from queen elizabeth.

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for a smile that's 4 shades visibly whiter. colgate optic white. whitening that works. this morning, a volcano in the philippines is showing no signs of slowing down as it spewed lava into the sky. about 50 volcanic earthquakes were detected today. more than 30,000 have fled the area. clouds of ash reached the capital, manila, 40 miles away. there were no reports of any deaths or major damage, and officials warn that more dangerous eruptions could happen at any time. back at home now, the oscar nominations are being criticized for lacking diversity, and the astros pay big for a cheating scandal. those are some of the headlines on the "morning newsstand." cbs houston affiliate khou reports the houston astros fired general manager jeff luhnow and manager aj hinch after they were suspended by the major league baseball for cheating. an mlb investigation confirmed

the astros stole signs from opposing teams during the team's run to the 2017 world series title and again the next season. the astros used a video feed from a center field camera to spy on the opposing catcher's signs to pitchers. astros players banged on a trash can to tell batters what kind of pitch was coming. major league baseball said hinch was aware of the system but did not bring it to the attention of luhnow. >> neither one of them started this, but neither one of them did anything about it. and that's how we came to the conclusion. >> the astros were also fined $5 million and will forfeit first and second-round draft picks this year and next. current boston red sox manager alex cora could also face discipline. mlb said he developed the sign-stealing system when he was the astros' bench coach. "the vancouver sun" says queen elizabeth gave her blessing to prince harry and

fautied spd more time in north america. the queen held an urgent meeting yesterday with prince harry, prince william, and their father prince charles. markle is in canada with the couple's infant son and reportedly joined the meeting by phone. in a statement the queen said, "we respect and understand their wish to live more independent lives." and the "associated press" reports the academy of motion pictures, arts and sciences, is again being slammed for lack of diversity in its nominations. there were no female nominees in the best director category which many saw as a snub to greta gerwig. she directed "little women." actress cynthia ariba was the only woman of color nominated in the acting categories. she was nominated for best actress for her performance in "harriet." the academy did nominate a record 62 women in all categories. still ahead, a dy sihoght o

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sparked an explosion and swallowed a bus and pedestrian in china. the hole was about 32-feet wide. it happened outside a hospital in shining. an investigation is under way to determine what caused the sinkhole. on the cbs "money watch" now, the u.s. makes a concession to china ahead of a trade deal, and amazon cracks down on counterfeits. diane king hall has that and more from the new york stock exchange. good morning. >> good morning, anne-marie. big banks like jpmorgan and wells fargo are slated to release quarterly earnings data. meantime, stocks rallied yesterday driven by easing tensions between the u.s. and iran. the dow was up 83 points. the nasdaq gained 95. the s&p 500 added 22 points. the trump administration says china should no longer be designated as a currency manipulator. the action comes with the u.s. and china expected to sign a phase-one trade deal in

washington tomorrow. e prinar iludes seion intended to prevent currency to gain trade advantages. the trump administration branded china's a en china as a currency manipulator five months ago. the first time since 1994 under the clinton administration. starting today, microsoft will stop providing free security updates for windows 7. that means computers using that system will be more vulnerable to malware and hacking. users who want to protect their computers need to upgrade to windows 10. they may also need to buy new computers. that's because older machines might not be compatible with windows 10. and amazon is reportedly ramping up counterfeit reporting to law enforcement. that's according to a "reuters" report. an effort to fight fakes listed on its site. the action comes as amazon faces growing criticism over how it handles the sale of counterfeit products on its platform. previously amazon would have flagged counterfeit sellers to authorities only when it felt it had enough data for police to investigate the perpetrator. anne-marie?

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talk to your doc visit lls.org to save a child's life here's a look at the forecast in some cities around the country. model gigi hadid caught the attention of photographers and turned heads, but it wasn't on a catwalk. the 24-year-old was summoned to jury duty in the new york rape and sexual assault trial of harvey weinstein. she was one of 120 potential jurors called yesterday. she disclosed that she has met weinstein and potential witness actress salma hayek.

she's expected to return to court thursday for more questioning. and heisman trophy-winning quarterback joe burrow capped his record-breaking season by leading top-ranked lsu to the college football national championship. end zone -- uchdterrence marshall! >> that was burrow's fifth touchdown pass in last night's 42-25 win over defending national champion clemson. he also ran for a touchdown. it's the first national title for lsu since 2007, and their fourth overall. burrow became the first major college quarterback to throw 60 touchdown passes in a season. president trump and first lady melania were at the game in new orleans. and the president was greeted with chants of "usa" and "four more years." coming up on "cbs this morning," we'll talk with senator cory booker about why he's suspending his presidential campaign. i'm anne-marie green. this is the "cbs morning news." ning news." what a time to be alive.

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our top stories this morning -- six democratic presidential hopefuls are squaring off tonight in their final debate before the iowa caucuses. bernie sanders, joe biden, elizabeth warren, pete buttigieg, amy klobuchar, and tom steyer have qualified. yesterday senator cory booker announced that he's suspending his campaign. in a televised speech this morning, iran's president said those responsible for the accidental downing of a e wi be punished. rouhani called the incident an unforgivable error and assured it will not happen again. iran's judiciary announced it has arrested some people for their role in that crash. today house speaker nancy pelosi will meet with her caucus to decide when to send the formal impeachment charges against president trump to the senate. meantime, two republican

senators tell cbs news that majority leader mitch mcconnell is telling his republican conference that the trial will start next tuesday and could last three to five weeks. cold and flu season is here which means your co-workers may be coming to work sick. chris martinez looks at what some companies can do to >> reporter: it's that time of year when going to work can come with a health risk. >> everyone at work is sick. everyone right now is sick. >> reporter: a survey from account temps found 90% of professional employees admit they sometimes go to the office sick. having too much work on their plate is a top reason why. so is feeling pressure from the boss to come in. >> i think sometimes people feel like, yeah, they have to come in no matter what. >> reporter: many workers also show up to the office when they don't feel well because they're freelance and can't afford to take time off. a study from the centers for disease control found that sick employees are more likely to stay home if they have paid

leave benefits. and their bosses encourage them not to come in. >> one piece of advice we would give is to make sure that the senior managers, senior leaders, they're not coming to work sick because when they do, i think that that puts a certain amount they're expected to also come to work sick. >> reporter: kim garstein from robert haft says there's an option for people who feel like they still need to work. >> if yo any t ofthe flibility to work remotely, to have your employees work remotely, that really solves most of this problem. >> reporter: the cdc says it can take at least four days to get over the flu. >> i feel like if you're sick, stay home. we don't want to all get sick. >> reporter: you'll be doing your co-workers a favor. chris martinez, cbs news, los angeles. coming up on "cbs this morning," we'll talk with senator cory booker about why he suspended his presidential campaign. plus, we'll take you to australia and speak with american firefighters who are offering support to fire crews on the ground.

and in our "eye on money" series, we'll show you how older americans are living with sinsaren. to help with their reay

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