Mexico's Secretary of the Navy Adm. Mariano Francisco Saynez, left, greets U.S. Defense Secretary Robert M. Gates during a visit in Mexico City, Mexico, March 23, 2010. Gates, U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Secretary of State Hillary Clinton attended the Merida Iniative Plenary which focuses on helping the Mexican government fight drug-trafficking cartels and other security threats. Mexico's Secretary of the Navy Adm. Mariano Francisco Saynez, left, greets U.S. Defense Secretary Robert M. Gates during a visit in Mexico City, Mexico, March 23, 2010. Gates, U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Secretary of State Hillary Clinton attended the Merida Iniative Plenary which focuses on helping the Mexican government fight drug-trafficking cartels and other security threats. SHARE: Download: Full Size (2.52 MB) Tags: photo essays Credit: VIRIN: 614887-P-MVD80-021.jpg Photo Gallery