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Republican presidential candidate Ben Carson speaks during a news conference before a campaign event at Colorado Christian University on October 29, 2015 in Lakewood, Colorado.
Republican presidential candidate Ben Carson speaks during a news conference before a campaign event at Colorado Christian University on October 29, 2015 in Lakewood, Colorado.

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    Ben Carson ahead of Donald Trump in new poll

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Ben Carson ahead of Donald Trump in new poll

Republican presidential candidate Ben Carson is leading the GOP in a new national poll. CNN's Jeff Zeleny has the details.

Ben Carson ahead of Donald Trump in new poll

Republican presidential candidate Ben Carson is leading the GOP in a new national poll. CNN's Jeff Zeleny has the details.