SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates (L-R) Rick Santorum, U.S. Sen. Rand Paul (R-KY), Mike Huckabee, U.S. Sen. Marco Rubio (R-FL) , U.S. Sen. Ted Cruz (R-TX), Ben Carson, Donald Trump, Jeb Bush and Wisconsin Gov. Scott Walker stand onstage during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Sandy Huffaker/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate, New Jersey Gov. Chris Christie takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate John Kasich and Carly Fiorina take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA-SEPTEMBER. 16: Republican presidential candidate Jeb Bush and Donald Trump take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
Republican presidential candidates U.S. Sen. Ted Cruz (R-TX), Ben Carson, Donald Trump, Jeb Bush and Wisconsin Gov. Scott Walker stand onstage during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA-SEPTEMBER. 16: Republican presidential candidate Donald Trump takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates Chris Christie (R) and Ohio Gov. John Kasich take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Carly Fiorina takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopefuls, (L-R) Texas Sen. Ted Cruz, retired neurosurgeon Ben Carson, real estate magnate Donald Trump, former Florida Gov. Jeb Bush and Wisconsin Gov. Scott Walker, participate in the Republican Presidential Debate at the Ronald Reagan Presidential Library in Simi Valley, California, September 16, 2015. Republican presidential candidates collectively turned their sights on frontrunner Donald Trump at the party's second debate, taking aim at his lack of political experience and his sometimes abrasive style. AFP PHOTO / FREDERIC J BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Donald Trump speaks during the Republican Presidential Debate at the Ronald Reagan Presidential Library in Simi Valley, California, September 16, 2015. Republican presidential candidates collectively turned their sights on frontrunner Donald Trump at the party's second debate, taking aim at his lack of political experience and his sometimes abrasive style. AFP PHOTO / FREDERIC J BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Carly Fiorina take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopefuls, Donald Trump (L) and Jeb Bush speak during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Carly Fiorina speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Donald Trump speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Ben Carson speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates, Wisconsin Gov. Scott Walker, Carly Fiorina and Ohio Gov. John Kasich takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates, Wisconsin Gov. Scott Walker, Carly Fiorina and Ohio Gov. John Kasich takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Carly Fiorina takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Carly Fiorina take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Chris Christie speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Carly Fiorina speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate U.S. Sen. Rand Paul (R-KY) Mike Huckabee and U.S. Sen. Marco Rubio (R-FL) take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates, Wisconsin Gov. Scott Walker and Carly Fiorina take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates Donald Trump (L) and Jeb Bush take part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Donald Trump takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Jeb Bush takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Ben Carson takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Donald Trump takes part in the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate, New Jersey Gov. Chris Christie speaks during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate, U.S. Sen. Marco Rubio (R-FL) speaks during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates, New Jersey Gov. Chris Christie (R) and Jeb Bush talk during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate, Wisconsin Gov. Scott Walker speaks during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
<> on September 16, 2015 in Simi Valley, California.
<> on September 16, 2015 in Simi Valley, California.
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
Republican presidential candidate Ben Carson speaks during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Mike Huckabee speaks during the republican presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates Donald Trump (L) and Jeb Bush argue during the republican presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate, New Jersey Gov. Chris Christie speaks during the republican presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidates Donald Trump (L) and Jeb Bush argue during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
Republican Candidates Take Part In Debates At Reagan Library In Simi Valley
SIMI VALLEY, CA - SEPTEMBER 16: Republican presidential candidate Donald Trump speaks during the presidential debates at the Reagan Library on September 16, 2015 in Simi Valley, California. Fifteen Republican presidential candidates are participating in the second set of Republican presidential debates. (Photo by Justin Sullivan/Getty Images)
<> on September 16, 2015 in Simi Valley, California.
<> on September 16, 2015 in Simi Valley, California.
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopefuls Carly Fiorina speak during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful New Jersey Gov. Chris Christie speaks during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
US-VOTE-REPUBLICANS-DEBATE
Republican presidential hopeful Carly Fiorina looks on during the Republican presidential debate at the Ronald Reagan Presidential Library in Simi Valley, California on September 16, 2015. Republican presidential frontrunner Donald Trump stepped into a campaign hornet's nest as his rivals collectively turned their sights on the billionaire in the party's second debate of the 2016 presidential race. AFP PHOTO / FREDERIC J. BROWN (Photo credit should read FREDERIC J BROWN/AFP/Getty Images)
