Decision 2012: Blogger Nate Silver Reveals How He Called 2012 Presidential Election

"Math nerd" and New York Times blogger Nate Silver analyzed hundreds of polls to correctly predict how every state would vote in this year's presidential election.

Class discussion: How did the political pundits' predictions compare with Silver's performance? Did Silver's mathematical analysis perform better than individual polls? What is the danger when a political campaign ignores negative polling results?