Late-night rivals and other celebrities rallied to support CBS "Late Show" host Stephen Colbert after the network canceled his show, and comedian Jon Stewart lashed out at Paramount Global for the decision to end the long-running TV program.

David Letterman has not officially gone on record reacting to CBS’ shocking decision to cancel “The Late Show,” which Letterman started in 1993 and hosted for 22 years before passing the baton to Stephen Colbert, but his thoughts on the matter are quite clear thanks to a 20-minute supercut his team posted on the official …