Late Show with David Letterman

Season 19, Episode 50

Episode Title: Keith Olbermann, Allison Williams, Lukas Nelson & Promise of the Real

Air Date: 2012-04-03

Overview:

Dave welcomes talk show host Keith Olbermann, actress/singer Allison Williams, and musical guests Lukas Nelson & Promise of the Real. Top Ten Questions Received by the Marshmallow Peeps Hotline. Keith Olbermann addresses allegations surrounding his departure from Current TV. Allison Williams, star of Girls, talks about having news anchor Brian Williams as her dad.