It is nice to know Donald Trump lives rent free in Colbert's head.
He is a political activist for the Democratic party. Not a comedian, just a Commie.
Seldom if ever fairly points out all the obvious flaws on the Democratic side. A wealth of material but refuses to use it. Just look at the Democratic Congress and Chuck Schumer. It would be a gravy train of real comedy.
Why doesn't he use them like he uses Trump? Because if he did, Hollywood would destroy him. That would be even handed but since he isn't, he is a political hack.