Paul Walter Hauser's roasting Donald Trump after his nemesis Stephen Colbert’s cancellation -- telling the Prez he should be getting his own affairs in order instead of picking catfights with talk show hosts.

Stephen Colbert took aim at Donald Trump's gloating over his show's cancellation in his "Late Show" monologue.

Colbert’s late show on CBS has never won a TV Academy prize. The president could well now have changed that. The video plays like a cave painting from the Neolithic era or, even more distantly, from when late-night television still mattered: Stephen Colbert sits in the host chair and makes amends with Donald Trump.