People attend a national convention of the Institutional Revolutionary Party (PRI), in Mexico City, Sunday, March 3, 2013. Mexico's ruling party changed on Sunday its platform to allow

 

              People attend a national convention of the Institutional Revolutionary Party (PRI), in Mexico City, Sunday, March 3, 2013. Mexico
People attend a national convention of the Institutional Revolutionary Party (PRI), in Mexico City, Sunday, March 3, 2013. Mexico's ruling party changed on Sunday its platform to allow a reform that could bring private investment into the state-owned oil monopoly, in a country where oil is a source of national pride. (AP Photo/Marco Ugarte)