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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 Democratic 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 Alex Wong/Getty Images)
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 Democratic 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 Alex Wong/Getty Images)

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    The CNN Democratic debate in 2 minutes

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The CNN Democratic debate in 2 minutes

All the best moments from the CNN Democratic debate.

The CNN Democratic debate in 2 minutes

All the best moments from the CNN Democratic debate.