REFILE - CORRECTING LAST NAME OF MEXICO'S PRESIDENT U.S. President Barack Obama (L), Mexico's President Enrique Pena Nieto and Canada's Prime Minister Stephen Harper (R) pose for an official photo ... more 
REFILE - CORRECTING LAST NAME OF MEXICO'S PRESIDENT U.S. President Barack Obama (L), Mexico's President Enrique Pena Nieto and Canada's Prime Minister Stephen Harper (R) pose for an official photo at the North American Leaders' Summit in Toluca near Mexico City, February 19, 2014, in this handout photograph provided by the Mexico Presidency. REUTERS/Daniel Aguilar/Mexico Presidency/Handout via Reuters (MEXICO - Tags: POLITICS) THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By HANDOUT / REUTERS
Wed, Feb 19, 2014 10:40 PM EST