Washington Post poll: How a 2% national lead is giving Obama an 11% swing-state lead

Today's Washington Post-ABC News poll would seem to show a tight race. Obama leads Romney nationally by a razor-thin 49 percent to 47 percent. But if you look at swing states, he's leading by double-digits: 52 percent to 41 percent. What gives? It's Romney's margin in the red states that's confusing the numbers.

By Dylan Matthews October 1, 2012