Photos: Iowans get to cast presidential vote early
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Credit: Getty Images
WATERLOO, IA - SEPTEMBER 27: A sign directs voters to the election office for early voting at the Black Hawk County Courthouse on September 27, 2012 in Waterloo, Iowa. Early voting starts today in Iowa where in the 2008 election 36 percent of voters cast an early ballot. (Photo by Scott Olson/Getty Images)
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