Mexico returns former ruling party to power

Supporters of Enrique Pena Nieto, presidential candidate for the Revolutionary Institutional Party (PRI) gather at party headquarters as exit polls begin to come in for general elections in Mexico City, Mexico, Sunday, July 1, 2012. Pena Nieto is leading Mexico's elections with about 40 percent of the vote, exit polls showed Sunday, signaling a return of his long-ruling party to power after a 12-year hiatus. (AP Photo/Alexandre Meneghini)Mexico's old guard sailed back into power after a 12-year hiatus Sunday as the official preliminary vote count handed a victory to Enrique Pena Nieto, whose party was long accused of ruling the country through corruption and patronage.