Aiming to contain the threat of narcoterrorism and widen U.S. military influence over areas of strategic importance to the United States, the Defense Department is seeking permission to expand its counternarcotics partnerships with more than a dozen governments across Africa, Southeast Asia, Central America and Central Asia. Today's military counterdrug efforts are largely trained on Colombia, Afghanistan and a handful of nations neighboring those two major narcotics exporters. The Pentagon, however, wants congressional approval to provide a wider array of...