Inside the mind of the man who predicted Obama's win

New York Times blogger and statistician Nate Silver defied the experts when he correctly predicted the outcome of the presidential election. In “The Signal and The Noise,” Silver explains the mindset and methodology behind his forecasting. Here’s an excerpt.The Promise and Pitfalls of “Big Data” The fashionable term now is “Big Data.” IBM estimates that we are generating 2.5 quintill