Glover attempted to arm wrestle and head-kick David Letterman when he had him on the show 1987. Speculation was that Glover was on an acid trip. This is the follow-up where the two discuss the previous appearance and Glover plugs his album.
I cleaned up the sound a bit- the other video posted of this sounds very hissy and is very low-volume.
Original interview: http://www.youtube.com/watch?v=4JpZWaXFc48
