Peter White Television EditorLate-night is expected to get a little bit sillier in 2021.Remember when the late-night shows did daft sketches with celebrities, focused on strange local news or, not to get too political, made fun of the color of the President’s suit?There is a prediction from a swathe of late-night writers and showrunners that Deadline has spoken to that many of these shows will now devote more time to the offbeat comedy that many of them trafficked in before Donald Trump ran for