U.S. drug czar Gil Kerlikowske listens to Nuevo Leon's Governor Natividad Gonzalez (unseen) during a photo opportunity prior to a private meeting at the government palace in downtown Monterrey, northern Mexico September 2, 2009. Kerlikowske will attend the XXVII Border Governors Conference that will be held on September 3 and 4 in Monterrey. REUTERS/Tomas Bravo (MEXICO POLITICS SOCIETY)