Mexican presidential candidate Andres Manuel Lopez Obrador, who lost the elections to Felipe Calderon last July and has since claimed fraud, holds up a banner saying 'Lopez Obrador, Legitimate President of Mexico' during a visit to the resort city of Cancun, Mexico on Thursday, Dec. 14, 2006. Last Nov 20, Lopez Obrador was named legitimate president of Mexico by his supporters and does not recognize the new government.(AP Photo/Israel Leal)