for the pbs newshour, i'm mike cerre, danang, vietnam. >> woodruff: even with president trump in asiaere was no shortage of political stories at home, as voters took to polls in several states, an alabama senate candidate became embroiled in a sexual scandal, and republican senators revealed details of a tax plan they see as a must-pass. and, to the analysis of shields and brooks. that's syndicated columnist mark shields, and "new york times" columnist david brooks. welcome, gentsmen. what a difference 24 hours makes when it comes to roy moore. david brooks, we didn't know about this i guess a little more than 24 hours ago, now we do. these ackizations that he, as a young man in his early 30s, was with several young women including one 14 years old. he, today, is denying all this. he says it's a political smear, but just in the last hour, we've learned that two republicans senators have withdrawn their endorsement -- mike lee of utah, steve danes of montana. can he survive this? >> i don't think so. i don't think he can be seated. he can survive. you think you've lost your capacity to

for the pbs newshour, i'm mike cerre in oakland, california. >> woodruff: finally tonight, there is aols to teach media literacy skills to teenagers, who are growing up with access to more information than any previous generation. in an era of marked by calls o"" fake news" and declining trust in media, we turned to our student reporting labs to find out how young people really experience news and think about journalism. >> you don't really know what you can believe, because there are so many sources saying so many different things. >> it's weakening trust between the media and the audience. >> i'm pretty sure that i have shared fake news, but i didn't realize it until someone corrected me. >> no one knows what to trust and what not to trust anymore. >> i shared a couple stories back during the presidential election that might not be as true as i originally believed they were. >> we're having a problem of people actually believing it, and then going forward with news to have riots and things like that. >> i believe that it's the new epidemic, because people don't understand how fast f