Thursday marks Jay Leno's last night hosting The Tonight Show on NBC. He's told a lot of jokes over the years, but his most common target has been Bill Clinton — so says a study from the Center for Media and Public Affairs at George Mason University. Professor Robert Lichter explains why he's spent more than 20 years of his life cataloging late night TV jokes.
Rest Easy, Bill: After 4,000 Clinton Jokes, Leno's Run Wraps Up
Originally published on February 6, 2014 7:55 pm