Republican presidential candidate and former Massachusetts Gov. Mitt Romney talks April 27, 2012, to students during a roundtable discussion at Otterbein University in Westerville, Ohio. (Associated Press)

Photo by: Jae C. Hong

Republican presidential candidate and former Massachusetts Gov. Mitt Romney talks April 27, 2012, to students during a roundtable discussion at Otterbein University in Westerville, Ohio. (Associated Press)