DURHAM, North Carolina (March 27, 2017) -- Navy Adm. Kurt W. Tidd, commander of U.S. Southern Command, and retired Army Gen. Martin Dempsey, the previous Chairman of the Joint Chiefs of Staff, discuss security issues in Latin America and the Caribbean during a forum at Duke University's Sanford School of Public Policy. The discussion, titled "Current Challenges and Opportunities for the U.S. Military in the Caribbean, Central, and South America," was moderated by Duke Professor Peter Feaver. (U.S. Southern Command photo)