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Republican presidential hopeful Donald Trump participates in the CNBC Republican Presidential Debate, October 28, 2015 at the Coors Event Center at the University of Colorado in Boulder, Colorado.
Republican presidential hopeful Donald Trump participates in 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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    Donald Trump slams Carson, Rubio, Bush

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Donald Trump slams Carson, Rubio, Bush

Donald Trump criticized Ben Carson for his demeanor, Marco Rubio for his personal finances and repeated an attack on Jeb Bush for his "low energy."

Donald Trump slams Carson, Rubio, Bush

Donald Trump criticized Ben Carson for his demeanor, Marco Rubio for his personal finances and repeated an attack on Jeb Bush for his "low energy."