Kimmel vs. Leno: The 'war' escalates

Jay Leno and Jimmy Kimmel: What a pair! They've had this on-going feud the last few years after Jimmy turned a Leno interview into an inquisition on his presumed larcenous late night habits.  Leno has responded occassionally, most recently during a Thursday bit when he said Kimmel wore a toupee. And last night, volley returned by Kimmel...