Photos: Presidential debate preps
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Credit: Getty Images
DENVER, CO - OCTOBER 02: University student Dia Mohamed stands in for President Barack Obama as workers continue to prepare the stage for the first presidential debate in the Ritchie Center on the campus of the University of Denver October 2, 2012 in Denver, Colorado. Republican presidential nominee and former Massachusetts Gov. Mitt Romney and President Barack Obama will square off on Wednesday for the first of three presidential debates before the November 6 election. (Photo by Chip Somodevilla/Getty Images)
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