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CLEVELAND, OH - AUGUST 06:  Republican presidential candidates (L-R) New Jersey Gov. Chris Christie, Sen. Marco Rubio (R-FL), Ben Carson, Wisconsin Gov. Scott Walker, Donald Trump, Jeb Bush, Mike Huckabee, Sen. Ted Cruz (R-TX), Sen. Rand Paul (R-KY) and John Kasich take the stage for the first prime-time presidential debate hosted by FOX News and Facebook at the Quicken Loans Arena August 6, 2015 in Cleveland, Ohio. The top-ten GOP candidates were selected to participate in the debate based on their rank in an average of the five most recent national political polls.  (Photo by Chip Somodevilla/Getty Images)
CLEVELAND, OH - AUGUST 06:  Republican presidential candidates (L-R) New Jersey Gov. Chris Christie, Sen. Marco Rubio (R-FL), Ben Carson, Wisconsin Gov. Scott Walker, Donald Trump, Jeb Bush, Mike Huckabee, Sen. Ted Cruz (R-TX), Sen. Rand Paul (R-KY) and John Kasich take the stage for the first prime-time presidential debate hosted by FOX News and Facebook at the Quicken Loans Arena August 6, 2015 in Cleveland, Ohio. The top-ten GOP candidates were selected to participate in the debate based on their rank in an average of the five most recent national political polls.  (Photo by Chip Somodevilla/Getty Images)

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Republican candidates clash in first debate

Potomac Research Group Chief Political Strategist Greg Valliere analyzes last night's Republican debate in Cleveland, Ohio

Republican candidates clash in first debate

Potomac Research Group Chief Political Strategist Greg Valliere analyzes last night's Republican debate in Cleveland, Ohio