Well as one person mentioned early on, this kind of stuff does appear to happen on Dave's show more than any other. Time online came out with a top ten article of awkward interviews on The Late Show because of this incident.
Interestingly enough Kaufman himself had a stunt on The Late Show (I had known this from the movie Man in the Moon but had forgotten since) with wrestler Jerry Lawler, making it even more likely that this JP incident was all just a set up.
Some good entertainment on this list. Forgot all about that Madonna interview. Funny that it doesn't seem as shocking anymore, times sure have changed.
Oh yeah, and that Drew Barrymore one was just hot!
http://www.time.com/time/specials/pa...879125,00.html