David Letterman returns to "The Late Show" for first time since 2015 in "Colbert" appearance - CBS News
cbsnews.comSubmitted by cbsnews1121 in entertainment
David Letterman hosted "The Late Show" for over 20 years, from 1993 to 2015.
Submitted by cbsnews1121 in entertainment
David Letterman hosted "The Late Show" for over 20 years, from 1993 to 2015.