Article Photos: Old party returns to govern changed Mexico 1/2

FILE - In this July 1, 2012 file photo, 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. The Institutional Revolutionary Party, or PRI, reclaims the presidency Saturday, Dec. 1, 2012 after 12 years out of power, and President-elect Enrique Pena Nieto calls it a crowning moment of an effort to reform and modernize the party that ruled without interruption from 1929 to 2000. (AP Photo/Alexandre Meneghini, File)