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BOULDER, CO - OCTOBER 28:  Presidential candidate Donald Trump (C) smiles while Sen. Marco Rubio (L)   and Ben Carson look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado.  Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates.  (Photo by Justin Sullivan/Getty Images)
BOULDER, CO - OCTOBER 28:  Presidential candidate Donald Trump (C) smiles while Sen. Marco Rubio (L)   and Ben Carson look on during the CNBC Republican Presidential Debate at University of Colorados Coors Events Center October 28, 2015 in Boulder, Colorado.  Fourteen Republican presidential candidates are participating in the third set of Republican presidential debates.  (Photo by Justin Sullivan/Getty Images)

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As he officially filed his candidacy in New Hampshire, Donald Trump picked fights with both Marco Rubio and Ben Carson.

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As he officially filed his candidacy in New Hampshire, Donald Trump picked fights with both Marco Rubio and Ben Carson.