democrats today are expected to wrap up opening arguments in president trump's impeachment trial. yesterday house managers presented their case on the first article of impeachment against mr. trump. they argue the president abused his power when he pressured ukraine to investigate joe biden. house judiciary chairman jerrold nadler told senators the president's alleged misconduct even puts president nixon to shame. so far senate republicans appear largely unmoved by the democrats case. skyler henry is on capitol hill. when is mr. trump's legal team expected to respond? >> reporter: good morning. white house lawyers are expected to begin their arguments tomorrow, a member of their team says they are well positioned, as they say democrats are failing to make their case and that the facts are actually on the side of the president. meanwhile house managers today will make their final case in term of the arguments on the second articles charged against the president, obstruction of congress. >> this is corruption and abuse of power in its purest form. >> reporter: house managers argued that president trump abused his power. to help him in the 2020 election. >> military aid in exchange for fabrication dirt on his political opponent. >> it wasn't until biden began beating him in the polls that he called for the investigation. >> reporter: new york's jerrold nadler tried to preempt one argument that the president did not commit a crime. >> impeachment is not a punishment for crimes. impeachment exists for threats to the political system. >> reporter: he showed one of president trump's staunchest defenders making the same argument during the clinton impeachment. republicans say they are unimpressed with the democrats case. >> seems like "groundhog day" in the senate. >> reporter: cbs news has learned that gop senators were warned by a trump confidant vote against the president and your head will be on a pike. last night lead house manager adam schiff appealed to their independence. >> you can't trust this president. do what's right for this country. you can trust he will do what's right for donald trump. >> reporter: the president's team begins opening arguments tomorrow. >> we will be putting on a vigorous defense of both fact and rebutting what they said. >> reporter: democrats will finish their argument today by focusing on the second article of impeachment obstruction of congress. now because tomorrow is saturday it's possible the senate will hold a much shorter four hour session and then pick everything back up on monday. white house lawyers say that they don't expect to take as long for their arguments. >> all right. thanks a lot. ahead on cbs "this morning" an inside look at the senate impeachment trial. we'll speak with senator elizabeth warren. and cbs news will bring you a special report when opening arguments resume today. senators are expected to reconvene around 1:00 p.m. eastern. china is desperately trying to contain a fast spreading virus that has killed dozens of people. transportation was shut down this morning in at least ten cities with a total of 33 million. the number of people infected in china has jumped to 830. at least 25 people there have died. and fear has spread to the u.s. what do we know about the possible cases here in the u.s.? >> reporter: washington state confirms a man is still undergoing treatment for pneumonia like virus. two suspected cases in california. tennessee and texas are reporting infections. a texas a&m student showing possible coronavirus symptoms put the college station community on edge. >> first confirmed case of contact tracing will begin and all contacts will be monitored. >> reporter: if confirmed he would be the second coronavirus patient in the u.s. in wuhan, china where the virus first emerged police barricaded roads, blocked access to trains and patrolled the airport as the city shut down in an effort to contain the virus. inside hospitals people are scrambling for screenings and at supermarkets worried residents cleared shelves. the streets of this typically vibrant community now a ghost town. chinese authorities are ordering similar shut downs in nearby cities, affecting a population of almost 20 million. more than the populations of new york city, los angeles and chicago combined. china's capital beijing cancelled major events around the lunar new year holiday indefinitely as the virus spread to eight countries sickening over 600. in boston, moderma therapeutics ramped up its research seeking a vaccine. the company is part nearing with the national institutes of health which says a vaccine could be ready for human testing in as little as three months. >> there are certainly unknowns. certainly risks with a vaccine. if we don't move now things will spiral out of roll. >> reporter: a professor in indiana is work on a potential pill to help the spread. a drug used to treat sars virus could be used to treat the coronavirus. >> laura podesta here in new york. thank you very much. we now know the names of the three americans killed in australia when their firefighting plane crashed. they have been identified as captain mcbeth from great falls, montana. first officer paul clyde hudson from arizona. and even flight engineer demorgan from florida. american and canadian fire crews who are helping australia fight their fire crisis held a moment of silence to pay tribute to the men. they were killed yesterday when their plane loaded with fire retardant crashed. an investigation is now currently under way. actress annabelle sciorra gave graphic testimony at harvey weinstein's sexual assault trial. she says the disgraced movie mogul pushed his way into her apartment in the early '90s and raped her. his lawyers fired back asking why she count get away and why she didn't report the incident to police. weinstein is charged with rape and assault against two other women in new york city. he maintains all of the sexual contact was consensual. jim lehrer the long time anchor of the pbs show "news hour" is being remembered as a giant in journalism. he died yesterday at his home in washington at the age of 85. he moderated debates in seven straight presidential elections. jan crawford looks back at his extraordinary career. >> good evening i'm jim lehrer. >> reporter: he was a legend in news. guided by unshakeable principles. listened to all sides. viewers are as smart as the journalists. above all in his words -- >> i am not in the entertainment business. >> reporter: in 1973, his gavel-to-gavel coverage of the watergate hearings -- >> you swear that the evidence -- >> reporter: led to his long time partnership with fellow journalism robert mcneal. >> we think it's important you get a chance to see the whole thing and make your own judgments. >> reporter: over four decades lehrer's interviews always went straight to the point. >> would you acknowledge this is very serious business. this charge against you that's been made. >> i will cooperate. >> reporter: he moderated 12 presidential debates. more than any other journalist. >> let's begin with jobs. >> reporter: in a tv appearance just last month he critiqued the media coverage of president trump. >> we haven't figured it out. >> reporter: maybe a good place to start is with the principles he left us with. >> i'm jim lehrer. thank you and good night. >> reporter: jan crawford, cbs news, washington. coming up on the morning news the founder of an opioid maker learns his punishment. and closer to a catastrophic future why the doomsday clock ticks forward. this is the "cbs morning news". forward. this is the "cbs morning news". what does help for heart failure look like? 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"the miami herald" reports dna match led to the arrest of a florida man suspected of being the so-called pillow case rapist. 60-year-old robert kohler appeared in court. he was arrested over the weekend. the pillow case rapist terrorized women in the miami area in the 1980s. it involves sexual assaults where he covered his victim's faces with a pillow case or other fabric. he was linked to the case after a dna sample from his son in an unrelated case. >> the police knew from the case where a male dna profile was obtained from rape kit evidence that the same man had committed these crimes. had committed these rapes. they just didn't know who it was. >> authorities say his dna ties him to 25 rapes. our partners at the bbc report secretary of state mike pompeo turned down britain's request that an american diplomat's wife be extradited for her role that killed a british teenager in a car crash. they wanted her to be extradited after the car she was driving collided with motorcyclist harry dunn last year. they said she was driving on the wrong side of the road. she left britain and returned to the u.s. after the accident claiming diplomatic immunity. still ahead calculating your credit score. why new changes by fico could make your score drop. score. why new changes by fico could make your score drop. a once-daily pill for adults with moderate to severe rheumatoid arthritis or active psoriatic arthritis for whom methotrexate did not work well enough. it can reduce pain, swelling, and significantly improve physical function. xeljanz can lower your ability to fight infections like tb; don't start xeljanz if you have an infection. taking a higher than recommended dose of xeljanz for ra can increase risk of death. serious, sometimes fatal infections, cancers including lymphoma, and blood clots have happened. serious allergic reactions, and changes in lab results. tell your doctor if you've been somewhere fungal infections are common, or if you've had tb, hepatitis b or c, or 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hitting a new record. the s&p 500 gained three points. federal regulators are fining former wells fargo c million.eo $ the decision follows him in a scandal where company employees opened millions of fake accounts without customer consent. regulators are banning him from the banking industry for life. five other executives are being sued in connection with the scandal. this is the first time regulators punished individual executives for wells fargo wrongdoing. big change coming to fico. the most widely used credit scoring company will grade scores. it will grade customers with growing debt and missed payments more harshly. unsecured personal loans could hurt an individual's score. fico says 40 million people could see their credit scores drop by 20 points or more. another 40 million who already have high scores will see their scores improve. this is expecd to increase the gap between those who are considered to have good and bad credit. the trump administration is lifting protections for some of. it will scale back which waterways qualify for protection under the clean water act. environmental activists and health officials say the changes will make it harder to maintain a clean water supply. tinder is adding in safety features for dates that become unsafe. it includes a panic button to alert authorities if something went wrong during a date. users can check into their location telling friends where they are. match the company that owns tinder will roll out new tools to its other dating services later this year. you can never be too cautious and too careful so it's probably a good thing. >> reporter: it is. i'm glad i found my other pre all these dating apps. >> i know. i didn't want to say that. but sorry for all you dating people. a lot to deal with. diane king hall at the new york stock exchange, thank you. still to come a stunning defeat for serena williams. the tennis champ suffers a major upset at the australian open. a major upset at the australian open. it changed my life. but i'm a survivor. after my heart attack, my doctor prescribed brilinta. it's for people who have been hospitalized for a heart attack. brilinta is taken with a low-dose aspirin. no more than 100 milligrams as it affects how well brilinta works. brilinta helps keep platelets from sticking together and forming a clot. in a clinical study, brilinta worked better than plavix. brilinta reduced the chance of having another heart attack... ...or dying from one. don't stop taking brilinta without talking to your doctor, since stopping it too soon increases your risk of clots in your stent, heart attack, stroke, and even death. brilinta may cause bruising or bleeding more easily, or serious, sometimes fatal bleeding. don't take brilinta if you have bleeding, like stomach ulcers, a history of bleeding in the brain, or severe liver problems. slow heart rhythm has been reported. tell your doctor about bleeding new or unexpected shortness of breath any planned surgery, and all medicines you take. if you recently had a heart attack, ask your doctor if brilinta is right for you. my heart is worth brilinta. if you can't afford your medication, astrazeneca may be able to help. here's a look at today's forecast around the country. here's a look at today's forecast around the country. there's something most did not expect to see and certainly not this soon. serena williams is out of the australian open after a shocking upset by 27th rank wang qiang in the third round. a tournament she's won seven times before but not this time. this is williams earliest exit at the australian open since 2006. in the men's game a scary moment for a ball girl. nadal was returning a serve when the ball hit the young girl in the head. she gave a thumbs up she was okay. nadal gave her a kiss on the cheek and a pat on the head. nadal went on to win the match. coming up on "cbs this morning" we'll speak with democratic presidential candidate senator elizabeth warren about the impeachment trial and the mood in the senate chamber. i'm anne-marie green, this is the "cbs morning news". i'm anne-marie green, this is the "cbs morning news". thanks for calling unitedhealthcare, mrs. murphy hi, i need help getting an appointment with my podiatrist. how's wednesday at 2? i can't. dog agility. thursday at 10? sorry. tuesday at 11? nope. robot cage match. how bout' the 283?t e. d a with unitedhealthcare medicare advantage plans, there's so much to take advantage of- unitedhealthcare medicare advantage plans. including the only plans with the aarp name. go ahead, take advantage. including the only plans with the aarp name. quitting smoking is freaking hard.st, like quitting every monday hard. quitting feels so big. so, try making it smaller. and you'll be surprised at how easily starting small... ...can lead to something big. start stopping with nicorette our top stories this morning, democrats today are expected to wrap up opening arguments in president trump's impeachment trial. yesterday house managers presented their case on the first article of impeachment against mr. trump. they argue the president was abusing his power when he pressured ukraine to investigate joe biden. so far senate republicans appear largely unmoved. mr. trump's legal team is scheduled to respond tomorrow. and china is trying to contain a fast spreading virus. transportation was shut down this morning in at least ten cities with a total of 33 million people. the number of cases for the virus has jumped to 830. at least 25 people have died. in the u.s. washington state confirms that a man is still undergoing treatment for the pneumonia-like virus. there are two suspected cases in california. tennessee and college station, texas are reporting potential infections. nine parents deported by the trump administration and separated from their children returned to the u.s. this week. almost 3,000 children were taken from their parents in the spring of 2018. manuel bojorquez was there. >> reporter: david's tears came spilling out after waiting nearly two years for this moment to hug his 9-year-old son. marvelled at how much his son had grown during the time he stayed with a host family in texas. he was one of nine parents who arrived in los angeles after a court mandated return. the parents have been detained n in 2017 and 2018. in september a federal judge ruled that many of the parents had been given false information and in some cases pressured into waiving their rights. fernando a father from guatemala was greeted by his wife and three daughters. the family sought asylum at the u.s.-mexico border after his teenage son was murdered. not all parents had their children waiting at the airport since some are across the country under government care or with sponsors. this woman hopes to be reunited with her son in new york soon. she says she can almost feel his hand. the parents are here on so-called humanitarian parole which does not guarantee that they or their children will be allowed to permanently remain in the u.s. but now they can wait together as their asylum cases are processed. manuel bojorquez, cbs news, los angeles. coming up on "cbs this morning"e'llit wak wpe crwah rrende aboutmo the impice trial and the mood in the senate chamber. plus a preview of "48 hours" and the story of a teenager convicted of killing four family members to apparently go to the prom. only on "cbs this morning" we'll reveal the winner of this year's grammy music educator award. that's the "cbs morning news" for this friday. thanks for watching. i'm anne-marie green. have a great day. -- captions by vitac -- www.vitac.com