Crunching the Numbers: What if the swing voters aren’t who you think?

What the polls and partisans are missing this year: CBSNews.com continues its series taking you behind the scenes with the elite pollsters and number-crunchers shaping our politics and policy today; in a world that sometimes seems awash in data and statistics and endless arguments, our Elections Director, Anthony Salvanto, gets them out of the office, away from the computers — and tries to make sense of it all Source