An Obama supporter, who canvassed for the candidate in the working-class, white Philadelphia neighborhood of Fishtown recently, sends over an account that, in various forms, I’ve heard a lot in recent weeks.

“What’s crazy is this,” he writes. “I was blown away by the outright racism, but these folks are f***ing undecided. They would call him a n—-r and mention how they don’t know what to do because of the economy.”