ROYAL OAK, MI - FEBRUARY 28: John Vandermark wears his " I Voted" sticker after voting on primary day as Michigan heads to the polls at Royal Oak Farmers Market on February 28, 2012 in Royal Oak, Michigan. Voters head to the polls as the Republican party continues the process of deciding who will be their general election candidate against President Barack Obama. (Photo by Joe Raedle/Getty Images)
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