As WGA-AMPTP discussions continue, the late-night TV chatters continue with only David Letterman and Craig Ferguson’s shows having Writers Guild approval. With that, who’s on this week?

David LettermanTuesday: Gary Mule Deer; Wednesday: Vince Vaughn (promoting his Wild West Comedy Show movie)

Craig FergusonTuesday: Sebastian Maniscalco; Friday: Mo’Nique