Paraguay's President Fernando, right, Lugo shakes hands with Brazil's President Dilma Rousseff during the XVI Mercosur summit in Luque, on the outskirts of Asuncion, Paraguay, Wednesday, June 29, ... more 
Paraguay's President Fernando, right, Lugo shakes hands with Brazil's President Dilma Rousseff during the XVI Mercosur summit in Luque, on the outskirts of Asuncion, Paraguay, Wednesday, June 29, 2011. Mercosur is a South American commercial block formed by Brazil, Argentina, Paraguay and Uruguay. (AP Photo/Jorge Saenz) less 
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Associated Press | Photo By Jorge Saenz
Wed, Jun 29, 2011 9:51 AM EDT