Stephen Colbert made his way onto the Republican National Convention stage last week, dressed in his Hunger Games-inspired Julius Flickerman attire and carrying his stuffed weasel, Caligula. On Monday's Late Show, he tried the same stunt in Philadelphia with the Democrats. "It might have been my fault" that the Democrats didn't fix their divisions over leaked hacked Democratic National Committee emails before the Democratic National Convention started, he said at his desk in his live post-convention special.