Clinton, walks with Espinosa as Salazar is seen at the back before they sign the United States-Mexico Agreement Concerning Transboundary Hydrocarbon Reservoirs in the Gulf of Mexcio in Los Cabos

 
Clinton, walks with Espinosa as Salazar is seen at the back before they sign the United States-Mexico Agreement Concerning Transboundary Hydrocarbon Reservoirs in the Gulf of Mexcio in Los Cabos
U.S. Secretary of State Hillary Clinton (front, R) walks with Mexico's Foreign Minister Patricia Espinosa (front, L) as U.S. Interior Secretary Ken Salazar is seen at the back before they sign the United States-Mexico Agreement Concerning Transboundary Hydrocarbon Reservoirs in the Gulf of Mexcio on the sidelines of the G20 foreign ministers summit in Los Cabos, February 20, 2012. REUTERS/Charles Dharapak/Pool (MEXICO - Tags: POLITICS ENVIRONMENT)