A new NBC News/Wall Street Journal/Marist poll in Iowa finds Donald Trump leading the GOP field with 24%, followed by Ben Carson at 19%, Carly Fiorina at 8%, Jeb Bush at 7%, Ted Cruz at 6%, Marco Rubio at 6% and Bobby Jindal at 6%.
On the Democratic side, Hillary Clinton leads with 47 percent followed by Bernie Sanders at 36%.


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