U.S. President Barack Obama (R) talks with his Brazilian counterpart Luiz Inacio Lula da Silva before the opening ceremony of the 5th Summit of the Americas in Port of Spain, April 17, 2009. Leaders from across the Americas gathered on Friday for a summit overshadowed by an intense debate over a possible reconciliation between the United States and Cuba and how this could be achieved. REUTERS/Ricardo Stuckert/PR/Handout (TRINIDAD AND TOBAGO POLITICS) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS