Republican presidential candidates from left, Chris Christie, Marco Rubio, Ben Carson, Scott Walker, Donald Trump, Jeb Bush, Mike Huckabee, Ted Cruz, Rand Paul, and John Kasich take the stage for the first Republican presidential debate at the Quicken Loans Arena, Thursday, Aug. 6, 2015,  in Cleveland. (AP Photo/Andrew Harnik)
PHOTO: Andrew Harnik/AP
Republican presidential candidates from left, Chris Christie, Marco Rubio, Ben Carson, Scott Walker, Donald Trump, Jeb Bush, Mike Huckabee, Ted Cruz, Rand Paul, and John Kasich take the stage for the first Republican presidential debate at the Quicken Loans Arena, Thursday, Aug. 6, 2015, in Cleveland. (AP Photo/Andrew Harnik)
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PHOTO: Andrew Burton/Getty Images
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PHOTO: Andrew Burton/Getty Images
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PHOTO: Rainier Ehrhardt/AP
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PHOTO: Evan Vucci/Pool/Getty Images
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PHOTO: Scott Olson/Getty Images North America/Getty Images
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PHOTO: JEWEL SAMAD/AFP/Getty Images
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