Where Did You Get This Number?: A Pollster's Guide to Making Sense of the World

CBS News' Elections and Surveys Director Anthony Salvanto takes you behind the scenes of polling to show you how to think about who we are and where we're headed as a nation.

As Elections and Surveys Director for CBS News, it's Anthony Salvanto's job to understand you-what you think and how you vote. He's the person behind so many of the poll numbers you see today, making the winner calls on election nights and surveying thousands of Americans. In Where Did You Get This Number? A Pollster's ...