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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)
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)

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    GOP presidential candidates live-tweet Democratic debate

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GOP presidential candidates live-tweet Democratic debate

Donald Trump, Mike Huckabee and several other GOP presidential candidates live tweeted about the Democratic debate. Here is what they said.

GOP presidential candidates live-tweet Democratic debate

Donald Trump, Mike Huckabee and several other GOP presidential candidates live tweeted about the Democratic debate. Here is what they said.