Here's another one of Robert Klein's HBO Specials, this time from 1995. Back when I was teaching Comedy Writing at U.S.C., I showed a couple of these to my students and I think they learned a lot from them — if not from the shows themselves then certainly from the discussions that followed. The man could take the simplest things from everyday life, turn them into very funny routines and deliver them with a sense of spontaneity that masked the fact that he'd done the material hundreds of times before. One of the best…