October 24, 2012


Expect the Unexpected

Nate Cohn: "The polls are pretty good, but they are not perfect, and with observers paying so much attention to the slight distinctions between Obama's 1.9 point lead in Ohio and .6 point lead in Virginia, unrealistic levels of precision may be necessary to avoid surprises. And that's before accounting for the possibility that the race could shift over the final two weeks in subtle ways that move particular demographic groups and states without similar changes in others. The nine battleground states are so close and so diverse that late movement among specific demographic groups or slight errors in the polling could easily reshape the electoral map before November 6."











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