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DES MOINES, IA - AUGUST 15:  Republican presidential candidate businessman Donald Trump speaks with reporters after arriving at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.  The Iowa State Fair is one of the oldest and largest agricultural and industrial expositions in the United States. The fair runs through August 23. (Photo by Aaron P. Bernstein/Getty Images)
DES MOINES, IA - AUGUST 15:  Republican presidential candidate businessman Donald Trump speaks with reporters after arriving at the Iowa State Fair on August 15, 2015 in Des Moines, Iowa.  The Iowa State Fair is one of the oldest and largest agricultural and industrial expositions in the United States. The fair runs through August 23. (Photo by Aaron P. Bernstein/Getty Images)

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    Trump dominates Republican polls

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Trump dominates Republican polls

Our State of the Union panel weighs in on new GOP poll numbers that show Donald Trump still surging, and some other surprising numbers for GOP candidates.

Trump dominates Republican polls

Our State of the Union panel weighs in on new GOP poll numbers that show Donald Trump still surging, and some other surprising numbers for GOP candidates.