USA*Engage, in a letter Wednesday, urged Senate lawmakers to oppose any effort to add sanction-related measures to the 2013 National Defense Authorization Act (S. 3254) legislation. “Regarding Iran, events in the Middle East continue to underscore the necessity for thoughtful diplomacy and continued common purpose with U.S. allies,” wrote Richard N. Sawaya, USA*Engage’s director, in the letter. “A congressional legislative ultimatum to pursue the economic collapse of Iran will hard...