Story : In "Serious Jibber-Jabber," Conan O'Brien has lengthy, uninterrupted conversations with interesting people on topics which fascinate him. In this episode, Nate Silver, the statistical whiz behind the New York Times' FiveThirtyEight blog, which correctly predicted the winner in all 50 states in the 2012 Presidential Election, sits down with Conan to talk about hard data, trusting your gut instinct, and the power of perception...all while wearing a Cookie Monster t-shirt.