Presidents from the Mercosur nations (L-R) Uruguay's Jose Mujica, Brazil's Dilma Rousseff, Venezuela's Nicolas Maduro, Argentina's Cristina Fernandez, Paraguay's Horacio Cartes and Bolivia's Evo ... more 
Presidents from the Mercosur nations (L-R) Uruguay's Jose Mujica, Brazil's Dilma Rousseff, Venezuela's Nicolas Maduro, Argentina's Cristina Fernandez, Paraguay's Horacio Cartes and Bolivia's Evo Morales poses for an official photo during a summit in Caracas July 29, 2014. Behind them is a statue of independence hero Simon Bolivar. REUTERS/Jorge Silva (VENEZUELA - Tags: POLITICS) less 
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Reuters | Photo By JORGE SILVA / REUTERS
Tue, Jul 29, 2014 1:26 PM EDT