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america reporting from washington. china locks down 3 tmillion peopstop the coronavirus spreading. a second case confirmed in the united states. democrats finish opening arguments inhe impeachment trial as his lawyers awaited their turn. ♪ laura: i head of the grammy awards, we take a look at country music's comp last -- x relationship with race. ♪ laura: for tsealking around the globe, welcome to world news erica. a second case of the coronavirus habeen discovered in the u.s. while in china, officials are limiting the travel ofmi 30 5 ion people to try to contain the spread. the outbreak killed 41 people in

china and infected 800. there are two cases in france. reporter: 10 days from now, will be a new hospital. the pace of building, a sign of how seriously china is taking the threat from the coronavirus. the p -- the prefabricated building will have 1000 beds. it is urgently needed because hospitals are overwhelmed with potetial cases. symptoms include cough, fever, and breathi problems. a dozen cities have been quarantined, affecting more than 30 million people. >> is empty. reporter: this should be the busiest time of year for travel and hotels. this one is deserted.

in a downing street, boris johnson hosted a reception to mark chinese newear. the government's emergency cobra committee met to discusshe risk to the u.k., which is considered low. >> we think there is a fair chance we may get some cases over time. this depends on whether this continues for a long time. we should see this as a marathon, not a sprint. reporter: there are still key unknowns about the virus. hocontagious is it? early case reports suggest people with those symptomsbe may ble to spread the virus. how deadly is it? around one/four confirmede ases is sev most of those recover. it seems less deadly than sars, which killed 800 people worldwide. what is the source?

we are confident it jumped from animals to humans. until the source is pinpointed, there is ane risk o infections. >> this is the first image of o e coronavirus. work is underwayvelop a vaccine. >> we can potentially move up to 16 weeks to get a vaccine developed and for early clinical testing as long as all goes well. >>ndhe world can only wait a see what impact china's control measures will have on the spread of this virus. laura: for more, i spoke with a dr. of new york university. she is ainfectious disease specialist. with more cases in china, another case here, and cases in france, how muchs a threat of the -- is the virus posing to public health? >> the world health organization

met wednesdaynd thursday to discuss whether this is a public healthen eme of international importance. theyeced not to vote to make it a global health emergency. make no mistake, this is an emergency in china. that sd, we do not think the cases areoing to spread as dramatically as some are saying to other parts of the wod. the chinese have taken some aggressive measures to prevent further transmission and the infectious diseases i worry about is the influenza this time of year.la a: theoe virus have an incubation period of two weeks. could it spread a long way before it is detected? peopls is onquestion

have been asking. should we institute travel bands? somebody could b infected and not have any symptoms for a week or two. the chances of someone being infected in china, traveling to the united states, being caught with screening measures, is ite low. you are unlikely to become symptomatic in that short of a period of time. if we are doing the right thing by educating health care providers, they had been aggressive in letting people know to make sure to ask every patient who comes in with a cough, have yotraveled to china? vi measures in place to isate that person and test them, that is our frontline defense and we have learned important lessons fro sars and ebola. the world is a different place today than either of those outbreaks. laura: until w know how the

outbreak began, are we in the dark? >> one question is transparency. that has bee a issue of concern. this goes back to the sar outbreak went theres were concerns about whether the chinese government was being transparent. there arsome promising delopments with the coronavirus outbreak. at least in terms of basic science. within 10 days of the outbreak being discoved and reported, genome of the virus and made that publicly available for other researchers. where they have not been as the epidemiology of the virus. how is it tranitted? can somebody without symptoms transmit? if you recovered, how long are you infectious? those questions we do not have answers to get. it will be important as this

outbreak develops. laura: thank y for being with . in the senate today, democrats finishing up their opening arguments in the impeachment trial of president trump. they had 24 hours over three what comes next?ase. tomorrow, the president's lawyers began their defense. they are also given 24 hours over three days. senators cannot write questions they have and hand them to chief justice john roberts. hoursill last for 16 after that, the senate will vote to allowes additional wis. if they vote yes, they will talk about 227. if no, travel will go to closing guments. after that, a final vote on whether to remove the president. for his take, spoke with a white house columnist for the hill. democrats representing -- were presenting closing arguments

today. wh the crux of their case? >> thex c of their case continues to be the assertion th president trump abused his power, he has done so in relation to ukraine, and if truth matters, if the right matters, the senate ought to vote to convict him. laura: we are seeing opinion polling suggesting that 66% of americans would like to see the senate call witnesses. are you hearing there are four republican senators willing to vote with democrats to make that happen? >> i am not. there are a least two republicans who indicated they might be willing to do that. sunsn col of utah. lisa murkowski of alaska -- susan collins and mitt romney. her hand so far.evealed the fourth that -- the fourth

republican is challenging. it is not clear where that vote would come from. trial wraps up next week with a vote to acquit the president and no wnesses? possibility.hin the binds a there has been suggestion mitch mcconnell would like to see this wrapped up befe the state of the union, which is 10 or 11 days away. weld cou get an and do it next week. ultimately, the votfois almost a gone conclusion. no one expec it will be near the super majority that would be needed to oust president trump from office. laura: the president's lawyers will take to the stand tomorrow in the senate. will they defend what he did or just a tacky process? >> i would think the latter. throughout this process, the

president's team have not been making a legal argumen. they have been making a political argument, to some extent a media ce. that case is about the idea that this is a hoax, politically motivated, that democrats are doing thiso undo the voters choice in electing presint trump. i expect we will hear those points when the president's team begins their defense. laura: the president's approval ratings have ticked up a bit during the process. why is that? >> it could be that his defenders defend him more fiercely when they feel he is under attack. tthat is argument he is making. those of voters, supporters are being insulted by democrats. deats do not agree, but tha is the heart of president trump's argument. laura: thank you for that analysis.

as the impeament trial is in full swing, democrats provide to be the ones to take on president trump in the senate or campaign trail. it is 10 days until the iowa caucuses, followed by the new hampshire primary. a former governor of massachusetts was a late entry to the race. he may be short on polling numbers, he tells me there is time for him to make an impact. there are so many people running for president. why should democrats choose you? fielda strong many of those democrats are friends of mine. there is not anyone else with the range of readership experience i have had building brids to solve problems and get changes that last. you have to have that kind of insight and experience to get real change. laura: so y far,r campaign has not taken off. what is your about to the nomination? >> we are encouraged by the we have thousands of volunteer

sign up on the website within the first couple of hours ofve going live in er. we are raising money to be competitive. we are on tv and digital in the early states with the emphasis on the primary state of new hampshire and south carona. now, the public is starting to focus. we are doing the work. we will earn it. african-american candidate left. what does that state about -- icanabout the state of am politics i am not in it for symbolic reasons. amot in it to have a voice or qualify for some other office. i am in it to win the nomination and the presidency. laura: do you think you can win the nomination? >> yes. we are building hard and fast in new hampshire. it is important we do well there. i am very competitive. i am committed to winning new hampshire. that momentum helps in nevada

and south carolina, both of which are more diverse communities. ti am not running to president of black and brown anamer i am not running to be the president of democrats alone, i am running to be president of the united states. laura: do you think president trump is beatable? >> i do. i do not think it will be easy. is apparent to everybody who he is only interested in serving his base. th is not the job. i understand the politics of getting the job. once you get the job, the responsibility is to all americans, whether they support you or not. having self-confidencebout your own agenda but the humility to understand you have to listen to other voices is part of what makes america great. laura: thanks for beinwith us. >> thank youor having me.

laura: the pentagon reported 40 three american troops were after iranian missile strikesban -- on this month. president trump initially said no u.s. troops had been harmed. the pentagon says a review of the process was ordered friday morning with the goal of being transparent. always tn germany sayy are waiting to question a man who shot six members of his own family. two other relatives were injured. lice are still trying to establish a motive. swarms of locusts are posing a threat to food supplies in east africa. the spread of the insecif was amd by rainfall at the end of last year. countries like ethiopia and somalia struggled to handlehe crisis. our africa correspondent sends

us this report. reporter: from a distance, it looks like northern kenya is burning. but these are swarms of locustsp ading like wildfire across the one of africa. one swarm can have more than 200 million insects. >> these are creatur flying above me. look harmless. hundreds of millions of theare flying at the same time, the amount of destruction they can cause is unimaginable. >> he tells me this is the secondnvasion he witnessed in 60 years. heayhe brought dozens of people here to spread word of the invasion. elsewhere, gunshots, teargas, and istles. people and governments across the region are des trateo save

plants from being devoured. >> they are moving this way. reporter: conservation gros are helping tracking movements of the swarms. the kenyan and rnhiopian govents are using spray to try to kill the insects. lbut withtle success. gia re devastated by years of drought seemed to he recovered when it received unusually heavy rains, but that has brought this miry. aving communities on the edge. a:la you are watching bbc world news on america. still toe c, anger on the streets of bagerad, protes call for american forces to leave iraq. ♪ >> tenter adding a panic button and a number osafety features

to the dating app. the move follows accusations that dating platforms havot been doing enough to protect users. more for us now on the story. reporter: race was backpacking z in nland in 2018 when she was murdered by a man she met on tinder. she went to his hotel room where she was strangled to death. her body dumped in bush land. it is one of a growing number of crimes that he resulted from people reading on online dating apps. tinder, the original dating app, has announced new safety features that will launch this week. theec tology transmits location data, users can hit a panic button, which sends data to emergency services. there will also be a photo verification feawo aboard catfish and, when someone uses a fake identity.

the company's ceo says it will be first dating company to invest in emergency response service and a safe expel.ence is cruc in the u.k.,t alm0 sexual offenses are recorded by police each year which involved online dating apps. considering these figures and lthat the applenched eight years ago, some say the changes comeoo late. >> it is important companies become a more re ponsible for atforms they create and not place responsibility on users. i think this is part of a trend in people expecting more from companies to make sure their privacy is protected and platforms are safe. reporter: they plan to extend features to other atforms, which include hinge and match.com. ♪

laura: protesters flooded the streets of baghdad, demanding the expulsion of u.s. forces from iraq. the marchook place close to the u.s. embassy. the u.s. killing of iran's top genel has fueled tensions within iraq and across the region. reporter: in iraq, control o the streets is a critical part of the country's politics. this demonstration was a warning to america that it can take nothing for granted. the u.s. assassination of iran's changedtary commander the dynamics year. -- dana nine i hear. -- dynamics here. i - raniraq finds itself

caught between the u.s. and iraq. military out. >>he people wantccupation out. they do not want the occupation. >>de all the iraqi people the leadership are condemning the ominous on presence in iraq. we l are asking america tove peacefully. ltht option will be military resistance. if it is not done in agreement, america wi >> there is a carnival-like athere. but this is a siousvent. the sheer cleric is a man who can draw supporters out on the reet. with this march, he is showing his political hand. ahe wants arica forces to leave. >> this protest was peaceful.

those loyal have a thought forces in the past. tensions are building in iraq. that almost always ends in violence. despite the carnival-like atmosphere, this remains not only a dangerous moment for ther country, but fhe region. laura: so much anger in iraq about u t. presence in the wake of the killing of solemani. millions of americans bill to end for the grammy award which celebrate the best of the music business. there has been a renewed focus on race and country music. in 2018, billboard removed a song from a lil nas x, saying it was not countrenough. critics say race was a factor. ♪

>> what i love about country muc is getting the opportunity to tell your story. reporter: whenk you t of country music, you probably do not picture people like jimmy aln. >> there might be to other people who look li me. i was excited and a little sad to be the firstlalack artist to ch a career, number one on country. it is 2020, 2019 at the time. country stemmed from a black-based genre. reporter: we are outside the country music hall of fame, one of the most extensive music collections, yet only tw of the artists featured here are black. those are charlie pride, thousand, and t first black star who was inducted in 2005.

while this part of country music histy has been concealed, now more people are paying attention. >> country music isor in as much african-american history has -- as what we think as southern history. reporter: l a filmmakerooks at the history and roots of country music. breanna giddens is one of the artists featured in the series. she built her career working to ensure those boots are not forgotn. >> the banjo became a well-known plantation instrument. it was known as a black instrument. >> how did it get into the white community? >> in the 1840's, entertainersar d to say, that is pretty cool. it wasir the cultural american export before rock 'n' roll. they were doing it in blackface.

reporter: artists are breaking barriers in country music. the industry still has a long way to go in the area of diversity. >> for me, it is about representation. >> country is about -- the route you want to take, come on in. there isoom for everybody. laura:se for teeping count, lizzo is leading with eight nominations including song of the year. billie eilish is ose behinin with a s nions. the same number as lil nas x. we wish them the best and we will be watching. thank you for watching bbc world news america. narrator: funding for this presentation is made posble by... babbel, an online program designed by language specialists

teaching snish, french and more. narrator: funding was also provided by... the freeman fodation. by judy and peter blum-kovler foundation. ng solutions for america's neglected needs. and by contributions to this pbs station from u.viewers like you, thank narrator: be more, p. ♪

judy: good evening, i'm judy woodruff. the president's counsel keep saying this is about crups of corruption in ukraine. >> he wasn't fighting corruption. its final point and democrats conclude in his senate impeachment trial as his legal team prepares to mount defense. outbreak, china attempts to contain the spread of the coronavirus, locking down cities and olympicing the movement of 30 million people. merchants of pain, the inside story of one opioid manufacturing company cheated its way to the top and how