An activist holds a banner during an event of delivering more than 400,000 petition signatures to Capitol Hill in support of the Iran nuclear deal in Washington July 29, 2015. Secretary of State John... more 
An activist holds a banner during an event of delivering more than 400,000 petition signatures to Capitol Hill in support of the Iran nuclear deal in Washington July 29, 2015. Secretary of State John Kerry intensified efforts on Tuesday to beat back criticism of the Iran nuclear deal and convince U.S. lawmakers that rejecting it would give Tehran a fast track to a weapon and access to billions of dollars from collapsed sanctions. REUTERS/Yuri Gripas less 
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Reuters | Photo By YURI GRIPAS / REUTERS
Wed, Jul 29, 2015 12:41 PM EDT