Argentina's President Cristina Fernandez smiles during her welcome ceremony at the official Los Pinos presidential residence in Mexico City, Monday May 30, 2011. Fernandez, who arrived Sunday, is in ... more 
Argentina's President Cristina Fernandez smiles during her welcome ceremony at the official Los Pinos presidential residence in Mexico City, Monday May 30, 2011. Fernandez, who arrived Sunday, is in Mexico City for a two-day visit. less 
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Associated Press | Photo By Miguel Tovar
Mon, May 30, 2011 1:01 PM EDT