Since then, Colbert has been ripping into Donald Trump with renewed relish, often while also flaying CBS and its parent company, Paramount. By doubling down on attacking his most powerful enemy, at a time when network execs are facing such intense scrutiny for what many believe was a politically motivated firing,

The veteran comedian, 78, shared a video montage of him roasting the TV network during his decades-long career of hosting "The Late Show" from 1993 to 2015.