Seth takes a closer look at Trump attacking the Russia investigation while lying about his administration's cruel policy of separating families at the border.Then, Louie Anderson explains how he came up with name of his Big Underwear tour, reveals he's an underwear hoarder and talks about his book Hey Mom.After that, Louie talks to Late Night producer Kevin Miller backstage at Studio 8G.LATE NIGHT ON SOCIALRate the Late Night Podcast on Apple Podcasts: applepodcasts.com/LateNightSethSubscribe to Late Night on YouTube: youtube.com/LateNightSethFollow Late Night on Twitter: twitter.com/LateNightSethLike Late Night on Facebook: www.facebook.com/LateNightSethLike Late Night on Instagram: www.instagram.com/LateNightSethFind Late Night on Snapchat: snapchat.com/add/LateNightSethGet more Late Night with Seth Meyers: www.nbc.com/late-night-with-seth-meyers/Watch Late Night with Seth Meyers weeknights 12:35/11:35c on NBC.