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Republican presidential candidate Donald Trump smiles (C) as New Jersey Gov. Chris Christie (L), Jeb Bush (2ndL), Ohio Gov. John Kasich (2nd R) and U.S. Sen. Rand Paul (R-KY) walk onstage afterthe CNN Republican presidential debate on December 15, 2015 in Las Vegas, Nevada. This is the last GOP debate of the year, with U.S. Sen. Ted Cruz (R-TX) gaining in the polls in Iowa and other early voting states and Donald Trump rising in national polls.
Republican presidential candidate Donald Trump smiles (C) as New Jersey Gov. Chris Christie (L), Jeb Bush (2ndL), Ohio Gov. John Kasich (2nd R) and U.S. Sen. Rand Paul (R-KY) walk onstage afterthe CNN Republican presidential debate on December 15, 2015 in Las Vegas, Nevada. This is the last GOP debate of the year, with U.S. Sen. Ted Cruz (R-TX) gaining in the polls in Iowa and other early voting states and Donald Trump rising in national polls.

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    Poll: Trump running away from GOP field

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Poll: Trump running away from GOP field

GOP candidate Donald Trump appears to end 2015 as the dominant force in the race for 2016's Republican nomination for president, a new CNN/ORC poll reads.

Poll: Trump running away from GOP field

GOP candidate Donald Trump appears to end 2015 as the dominant force in the race for 2016's Republican nomination for president, a new CNN/ORC poll reads.