America is not red or blue, it’s purple, despite a confederate resurgence. But it could be that the people voting for Kerry are just afraid of the dark, or maybe just smarter (found here, based on this). [ update 11/10: a series of cartograms ]
All in all, the conclusion that I’m coming to is that America is not nearly as divided (geographically) as we think. We are, however, still awesomely divided inside our communities. When most communities in the country are split pretty close to 50/50, something is awry.