FILE - In this May 11, 2012, file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney speaks during a campaign stop at Charlotte Pipe and Foundry Company in Charlotte, N.C. The early border skirmishes of Campaign 2012 are reviving questions about one candidate's former pastor and shining a spotlight on the other's high school hijinks. Can a fresh round of questions about President Barack Obama's birth certificate be far behind? (AP Photo/Jae C. Hong, File)