The Democrats' bad map: It's not just gerrymandering
County-level voting map of the 2012 Presidential Election (via Washington Post)

This story was co-published with The New York Times’ Sunday Review. Even as Hillary Clinton appears poised to win easily against a highly erratic candidate with a campaign in meltdown, a sobering reality awaits Democrats on Nov. 9. It seems likely that they will eke out at most a narrow majority in the Senate, but will…