Secretary of State John Kerry delivers a speech in support of the Iran nuclear deal at the National Constitution Center, Wednesday, Sept. 2, 2015, in Philadelphia.
Secretary of State John Kerry delivers a speech in support of the Iran nuclear deal at the National Constitution Center, Wednesday, Sept. 2, 2015, in Philadelphia. Matt Slocum AP
Secretary of State John Kerry delivers a speech in support of the Iran nuclear deal at the National Constitution Center, Wednesday, Sept. 2, 2015, in Philadelphia. Matt Slocum AP