WASHINGTON, DC - JULY 23:  Republican presidential candidate Sen. Ted Cruz (R-TX) waits to speak at a rally in Lafayette Square July 23, 2015 in Washington, DC. The rally, organized by the Concerned Women for America Legislative Action Committee, was held to protest the recent nuclear deal reached between the United States and Iran but was interrupted by protesters from Code Pink who support the deal.  (Photo by Win McNamee/Getty Images)