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GOP candidate Ben Carson attends town hall campaign event in Winterset, Iowa



GOP candidate Ben Carson attends town hall campaign event in Winterset, Iowa

Retired neurosurgeon Dr. Ben Carson, 2016 Republican candidate, surrounded by Secret Service agents, greets supporters at the conclusion of a town hall event at the Northside Cafe, January 5, 2016, in Winterset, Iowa. Carson is running against a large field of GOP candidates, including real estate mogul Donald J. Trump, Texas Sen. Ted Cruz and Florida Sen. Marco Rubio ahead of Iowa's first-in-the-nation caucuses February 1. Photo by Mike Theiler/UPI

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