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Republican Presidential hopeful Jeb Bush attends the CNBC Republican Presidential Debate, October 28, 2015 at the Coors Event Center at the University of Colorado in Boulder, Colorado.
Republican Presidential hopeful Jeb Bush attends the CNBC Republican Presidential Debate, October 28, 2015 at the Coors Event Center at the University of Colorado in Boulder, Colorado.

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    Is Jeb Bush's campaign in trouble?

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Is Jeb Bush's campaign in trouble?

Republican presidential candidate Jeb Bush's campaign is in question after the CNBC debate. CNN's Brianna Keilar reports.

Is Jeb Bush's campaign in trouble?

Republican presidential candidate Jeb Bush's campaign is in question after the CNBC debate. CNN's Brianna Keilar reports.