18x174 - Late Show with David Letterman

Dave welcomes journalist/talk show host Barbara Walters, actor/comedian Bill Hader, and musical guest Wild Flag. Top Ten Signs the Candidates Have Debate Fatigue. Dave knows the identity of Barbara Walters' most fascinating person of the year, but will he keep it a mystery? Bill Hader recounts a family ski trip where Dad took the wrong trail. Wild Flag makes their network television debut with the song "Romance" from their self-titled CD.