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.

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

( The Hill) — Comedian David Letterman on Friday joined the chorus of late-night hosts to bash CBS News after it announced it would sunset “The Late Show” after more than three decades on air, while praising host Stephen Colbert as a “martyr.”