Senate Foreign Relations Committee ranking member Sen. Bob Corker, R-Tenn., left, talks with Sen. Ron Johnson, R-Wisc, right, on Capitol Hill in Washington, Tuesday, July 29, 2014, while U.S. State ... more 
Senate Foreign Relations Committee ranking member Sen. Bob Corker, R-Tenn., left, talks with Sen. Ron Johnson, R-Wisc, right, on Capitol Hill in Washington, Tuesday, July 29, 2014, while U.S. State Department Under Secretary for Political Affairs Wendy Sherman testifies during a hearing on the P5 + 1 negotiations with Iran. (AP Photo/Susan Walsh) less 
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Associated Press | Photo By Susan Walsh
Tue, Jul 29, 2014 1:21 PM EDT