SARATOGA SPRINGS - Republican presidential hopeful Mitt Romney is entrusting his White House aspirations to a 1993 Saratoga Springs High School graduate. Matt Rhoades, 37, is Romney's low-profile but highly influential national campaign manager, meeting daily with the candidate and engineering his bid to become the nation's 45th chief executive. After Saratoga High, Rhoades graduated from Syracuse University in 1997, got heavily involved with GOP politics and spent two years in the White House under former President George W. Bush before becoming Romney's communications director during the 2008 campaign. "I'm always working in the Boston headquarters now," Rhoades said. His father, Paul, grew up on Clinton Street in Saratoga Springs and now lives in Virginia. However, Rhoades' aunt, Carole Cogan, still lives on Caroline Street. "I had Matt in a U.S. history class," said Dave Paterson, a Saratoga Springs High School teacher. "He was...