Speaker of the House John Boehner in Washington, D.C.

From left to right, William Tobey, senior fellow in the Harvard Kennedy .School's Belfer Center for Science and International Affairs, Michael Singh, managing director of the Washington and Thomas Pickering, distinguished fellow at the Brookings Institution Institute, testify during a House Armed Services Committee hearing on "P5+1 Negotiations over Iran's Nuclear Program .and Its Implications for United States Defense, in Washington, D.C. on June 19, 2014. UPI/Kevin Dietsch