Tim Weiner; George Saunders; Kimberly Marten

Journalist Tim Weiner and guest host John Hockenberry discuss the investigation into ties between the Russian government and the Trump campaign. Author George Saunders introduces his debut novel, "Lincoln in the Bardo," with guest host Seth Meyers. Russian scholar Kimberly Marten addresses U.S.-Russian relations as the investigation of the Trump campaign's ties to Russia continues.