David Letterman unloaded on CBS and Skydance on Friday for cancelling “The Late Show,” which he launched 32 years ago, saying the network had mistreated his successor, Stephen Colbert. In an interview posted to his YouTube channel,

David Letterman has finally given his opinion on the cancelation of The Late Show – the franchise that he founded.

"The people at CBS who have manipulated and handled this are going to be embarrassed,” the former 'Late Show' host says. “This is gutless”

Speaking with his former executive producer, Barbara Gaines, in a YouTube video Friday, Letterman called the axing of The Late Show With Stephen Colbert “pure cowardice” and said he doesn’t believe the official line from CBS that the decision was purely about economics (the show has reportedly become a money-loser for the network).