This video is about 12 minutes and may take a few minutes to download, but it discusses the reason so many Jews do so well in comedy in the U.S. Mike Wallace, Alan Dershowitz, and Rabbi Marc Gillman offer comments and insights, but some of the bits from Buddy Hacket, Sienfeld, Jackie Mason, Elaine Boosler, Walter Matthau, and others slayed me.

A Gift for Laughter
http://www.youtube.com/watch?v=An2uTq7prqg

tips to Steve Kruger