Senator Marco Rubio, left, shares a laugh with Navy Adm. Kurt Tidd, U.S. Southern Command commander, during a presentation at the Southcom-sponsored 20th Human Rights Initiative Conference in Washington, D.C., Dec. 12, 2017. The conference commemorates two decades of the Human Rights Inititiative, and a close partnership with civil and military authorities in the region. Southern Command photo by Raymond Sarracino