Tonight's guests:
- Nate Silver, founder and editor of the New York Times' Five Thirty Eight blog and author of the new book, "The Signal and the Noise: Why Most Predictions Fail but some Don't"
- E.J. Dionne, Washington Post columnist, Senior Fellow at the Brookings Institution, and author of "Our Divided Political Heart: The Battle for the American Ideal in an Age of Discontent"
And here's senior producer Cory Gnazzo with a preview of what's to come: