David Letterman blasts CBS as "gutless" for canceling The Late Show, but hints at a bright future for Stephen Colbert in an unexpected twist.

David Letterman Blasts CBS and Skydance Over Late Show Cancellation David Letterman, the legendary host behind The Late Show, is not holding back. In a candid

David Letterman subtly showed his support for Stephen Colbert after CBS canceled The Late Show. Letterman, 78, posted a compilation video of his tenure as host of The Late Show from 1993 to 2015, via YouTube on Monday,