MERIDA MEETING U.S. Defense Secretary Robert M. Gates and Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, attend a meeting hosted by Mexico's Secretary of the Navy Adm. Mariano Francisco Saynez and Secretary of National Defense Gen. Guillermo Galvan during a visit in Mexico City, Mexico Mar. 23, 2010. Gates along with Mullen and Secretary of State Hillary Clinton attended the Merida Iniative Plenary which focused on helping the Mexican government fight drug-trafficking cartels and other security. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 718047-J-DQV33-093.jpg Photo Gallery