koo and patricia yuen through the yuen foundation, committ bridging cultural differences pu our communities. the corporation foic broadcasting and by contributions to your pbs station from viewers like you. thank you. once again, from washington, moderator robert costa. robert:the trump administration has struck a deal with canada and mexico to lift tariffs on steel and aluminum being shipped to the u.s. president trump imposed the tariffs a year ago citing national security concerns. the tariffs were a response to what theresident called a ood of excess chinesect pro in global markets. the agreement removed a key obstacle to passing a new trade deal known as the usmca. could jolt negotiations with china. joining me tonight, amna nawaz of "pbs newshour," philip rucker whington bureau chief for "the washington post." susan davis, congressional correspondent for, n and hans nichols, correspondent for nbc news. you have allg the sides com together on this, trying to get a deal. does this grease the skids for the usmca on capitol hill? >> it was a very good week on capitol hill for the presiden

announcer: additional funding is prided by -- koo and patricia yuen through the yuen foundation, committedlt to bridging al differences in our communities. the corporation for publ broadcasting and by contributions to your pbs station from viewers like you. thank you. once again, from washington, moderator robert costa. ros rt:the battle tek between the white house and democrats over the release of the full mueller reportas sparked a still raging debate over power in politics, oversight and executive privilege. limany repns insist it's case closed. but there are some cracks in the g.p. side. democratic leaders are frustrated by president trump's refusal to comply with theirnd de declared that the u.s. is in a constitutional crisis. coinin me tonight, peter baker chief white housespondent for the "new york times", laura barron-lopez national political reporter for "politico." abby phillip, white house correspondent for cnn,on and e javers, washington correspondent for cnbc. peter wrote about the president's strategy in friday's "times." his bottom line, mr. trump is daring democrats to impeac

koo and patricia yuen through the yuen foundation, committed to bridging cultural differences in our communities. the corporation for public broadcasting and by contributions to your pbs station from viewers like you. thank you. once again, from washington, moderator robert costa. robert:president trump issued an ultimatum to democrats this week and congressional investigations or forget about any deals between now and the 2020 election. the president delivered that m bluntsage to speaker pelosi during a brief white house meeting on wednesday. earlier, the speaker accused the president of being related to a cover-up. she did not appreciate the president's walkout which stalled talks over infrastructure. >> the white house has a bag of trks they save for certain occasions. they don't necessarily apply to the occasionut they're distraction, which is his master of distraction. we will all agree on that. robert: the relations continued to fray as both the speaker and the president made cuttinge remarks, lik this one, about the speaker's knowledge of the latest trade agreement. president

through the yuen foundation.> thousands of people are pouring into the phoenix area , day... >> super bowl xlw just a day away... >> ...kicks off tomorrow in glendale, arizona... fans of the seahawks an patriots flying in say they're loving the location... >> it's not just another night the town. tonight, phoenix is the town... >> local businesses getting all prepped and read >> narrator: before the super bowl came to phoenix in 2015, the city began preparing for the arrival of tens of thousands of people. >> so many people here... >> narrator: and they worried that not all of themould be coming for the game. >> ...surprised to find out where sex trafficking's at the super bowl. >> there's always a lot of talk around any kind of a large sporting event about traffickers bringing their ictims. >> sex traffickia huge problem around the world... >> because they expect there to be a big client base. (radio beeps) >> all right, we're in the area. we're just south oyou guys. >> narrator: like other cities around the cou

additional funding is provided by -- koo and patria yuen through the yuen foundation, committed to bridging cultural differences in our communities. the corporation for public broaasting, and by contributions to your pbs station from viewers like you. thank you. [captioning performed by the al captioning institute, which is responsible for its caption content and accuracy. visit ncicap.org.] >> you're watching pbs. fr k wong: people have alw "how do you make it look so real?" because it is real in my mind. narrator: frank wong creates extraordinary miniure dioramas of the chinatown he remembers from his youth. the only way for me to capture my memories is to make them in three dimension. is narrator: his work portal ino, a long-ago san francisc a time when life was hard for many in the chinese erican community. wong: i had to work twice as hard as the next guy. and you know why. narrator: memory, community, and one man's artistic legacy. wong: memories get more beautiful as years go by. narrator: "forever, chinatown," next on local, usa.