Photos: Americans head to the polls to vote
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Credit: Getty Images
BOWLING GREEN, OH - NOVEMBER 6: A woman casts her ballot using an electronic voting machine at an elementary school on November 6, 2012 in Bowling Green, Ohio. Voting is underway in the US presidential election in the battleground state of Ohio. Recent polls show that U.S. President Barack Obama and Republican presidential candidate Mitt Romney are in a tight race. (Photo by J.D. Pooley/Getty Images)
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