In battleground states, Obama has surged:

Among registered voters surveyed in Colorado, Michigan, New Hampshire, New Mexico, Florida, Ohio, Pennsylvania, Virginia, Wisconsin and Nevada, Obama tops McCain 50 to 40%. Just a week ago, Obama led 45% to 42%.

Maybe they just needed to get to know Obama better. But a double-digit lead in all these key states is a staggering development - and breaks open the race. For now.

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