Supporters of leftist Andres Manuel Lopez Obrador attend a protest against the privatization of the state-oil monopoly Pemex at Zocalo Square in downtown Mexico City October 27, 2013. Mexican ... more 
Supporters of leftist Andres Manuel Lopez Obrador attend a protest against the privatization of the state-oil monopoly Pemex at Zocalo Square in downtown Mexico City October 27, 2013. Mexican President Enrique Pena Nieto has proposed an overhaul of the energy sector to attract private investment to help stem a slide in oil output over nearly a decade and drag the giant Pemex into the modern era. REUTERS/Tomas Bravo (MEXICO - Tags: POLITICS BUSINESS ENERGY CIVIL UNREST) less 
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Reuters | Photo By TOMAS BRAVO / REUTERS
Sun, Oct 27, 2013 7:31 PM EDT