Jay Leno: Career in Pictures
With Leno set to leave "The Tonight Show" in 2014 after a 22-year stint as host, it's a good time to look back at the No. 1-rated comic's triumphs and travails.
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'What's My Beef?'
During the 1980s, Leno rose to prominence as one of David Letterman's favorite guests.
His signature bit? "What's my beef?," where Leno would rant about news items and supposed pet peeves.
During one Letterman appearance, he took a shot at President Reagan's controversial trip to a Nazi cemetery: "The other day, he got a nice note from Dr. Mengele."