Late Night Jokes Of The Week: Lipstick On A Pig, Bush's Geography, McCain's Age, And Obama's O'Reilly Interview

This week in the best of late night jokes, Conan O'Brien weights in on "lipstick on a pig," Jay Leno jokes about George Bush's geography skills, Craig Ferguson goes for a joke about McCain's age, Jimmy Kimmel parses Obama's O'Reilly interview, and David Letterman brings more Great Moments in Presidential Speeches.