BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidate Ben Carson looks on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidate Carly Fiorina speaks during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
GOP Presidential In Boulder
Presidential candidate Jeb Bush (2nd L) speaks while Sen. Marco Rubio (R-FL), Donald Trump, and Mike Huckabee (L) look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidate New Jersey Gov, Chris Christie speaks during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
Presidential candidate Sen. Ted Cruz (R-TX) smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center Oct. 28, 2015, in Boulder. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Sen. Marco Rubio (R-FL) smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R) speaks while Mike Huckabee and Jeb Bush look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
Presidential candidates Ohio Governor John Kasich (L-R) speaks while Mike Huckabee looks on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center Oct. 28, 2015, in Boulder. (credit: Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump (L) and Ben Carson react during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Jeb Bush (L-R), Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) pose for a photo at the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Jeb Bush (L-R), Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) pose for a photo at the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump speaks during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take part in the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold 3rd Debate In Boulder
Presidential candidate Ben Carson (2nd R) speaks while Donald Trump (R), Carly Fiorina and Sen. Ted Cruz (R-TX) look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Sen. Marco Rubio (R-FL) speaks during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: (L-R) Presidential candidates Sen. Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) participate in the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) participate in the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
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Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Jeb Bush (L-R), Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump (L) and Ben Carson look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Donald Trump Smiles In Boulder
Presidential candidates Donald Trump smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump (L) and Ben Carson look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) pose for a photo at the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump speaks during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidate Ben Carson (2nd R) speaks while Donald Trump (R), Carly Fiorina and Sen. Ted Cruz (R-TX) look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential Candidates Hold Third Debate In Colorado
BOULDER, CO - OCTOBER 28: Presidential candidate Sen. Ted Cruz (R-TX) speaks while Carly Fiorina (L) and New Jersey Gov, Chris Christie look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) pose for a photo at the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Jeb Bush (L-R), Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take the stage at the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) take part in the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R) speaks while Mike Huckabee and Jeb Bush look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Donald Trump smiles during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidate Ben Carson looks on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Presidential In Boulder - Main Debate
BOULDER, CO - OCTOBER 28: Presidential candidates Ohio Governor John Kasich (L-R), Mike Huckabee, Jeb Bush, Sen. Marco Rubio (R-FL), Donald Trump, Ben Carson, Carly Fiorina, Ted Cruz (R-TX), New Jersey Governor Chris Christie, and Sen. Rand Paul (R-KY) pose for a photo at the CNBC Republican Presidential Debate at University of Colorado's Coors Events Center October 28, 2015 in Boulder, Colorado. Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates. (Photo by Andrew Burton/Getty Images)