WASHINGTON, DC - SEPTEMBER 09: Republican presidential candidate Donald Trump addresses a rally against the Iran nuclear deal on the West Lawn of the U.S. Capitol September 9, 2015 in Washington, DC. Thousands of people gathered for the rally, organized by the Tea Party Patriots, which featured conservative pundits and politicians. (Photo by Chip Somodevilla/Getty Images)

WASHINGTON, DC - SEPTEMBER 09:  Republican presidential candidate Donald Trump addresses a rally against the Iran nuclear deal on the West Lawn of the U.S. Capitol September 9, 2015 in Washington, DC. Thousands of people gathered for the rally, organized by the Tea Party Patriots, which featured conservative pundits and politicians.  (Photo by Chip Somodevilla/Getty Images)