Democratic debate: Live updates

The rules of the CNN Democratic Debate
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    The rules of the CNN Democratic Debate

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The rules of the CNN Democratic Debate 01:21

(CNN)Welcome to the CNN live blog, where we'll be bringing you all the best moments from the first Democratic debate -- on the stage, on social media and behind the scenes.

Your host for the evening is CNN political reporter Tal Kopan, who will also be bringing you insights from the whole CNN political team, both in Las Vegas, Nevada, and in Washington, D.C.
And use our hashtag, #DemDebate, to engage with all the action.