Democratic Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: (L-R) Democratic presidential candidates Jim Webb, Sen. Bernie Sanders (I-VT), Hillary Clinton, Martin O'Malley and Lincoln Chafee take the stage for a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. The five candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: (L-R) Democratic presidential candidates Jim Webb, U.S. Sen. Bernie Sanders (I-VT), Hillary Clinton, Martin O'Malley and Lincoln Chafee take the stage for a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. The five candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Sen. Bernie Sanders (I-VT) takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates U.S. Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates U.S. Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Sen. Bernie Sanders (I-VT) takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Hillary Clinton (L) and Martin O'Malley take part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Jim Webb takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Sen. Bernie Sanders (I-VT) takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates U.S. Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton shake hands at the end of a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Hillary Clinton takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidate Hillary Clinton takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)

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takes part in a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate.

Democratic Presidential Candidates Hold First Debate In Las Vegas

LAS VEGAS, NV - OCTOBER 13: Democratic presidential candidates Sen. Bernie Sanders (I-VT) (L) and Hillary Clinton walk on the stage at the end of a presidential debate sponsored by CNN and Facebook at Wynn Las Vegas on October 13, 2015 in Las Vegas, Nevada. Five Democratic presidential candidates are participating in the party's first presidential debate. (Photo by Joe Raedle/Getty Images)