David Letterman delivered a fiery rant against CBS and parent company Paramount for cancelling Stephen Colbert’s “Late Show,” calling the decision “gutless” and “pure cowardice” as he labeled his successor a martyr of the network.

The late-night legend took aim at his former network home and David Ellison's media company, speculating that Colbert's show was canceled for political reasons.

In just the first six months of this year, the show booked 43 left-leaning political guests — and zero conservatives — leading all late-night programs in partisan tilt.

Marc Maron says his dream guest for his final episode of "WTF With Marc Maron" would be Barack Obama. The former president appeared on a previous episode of Maron's show back in June 2015. "If we could get President Obama back,

"He's gonna make stuff, 'cause Stephen is a creator, and a genius, and his voice is pure and wonderful," Odenkirk says.

Stephen Colbert announced "The Late Show" was cancelled three nights after revealing his summer mustache on air. Coincidence?

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.

Stephen Colbert got an assist on 'The Late Show' from some of his late-night rivals following CBS's sudden decision to axe the show.