GOP candidate Ben Caron attends town hall campaign event in Panora, Iowa

Supporters of retired neurosurgeon Dr. Ben Carson, 2016 Republican candidate, stand for the National Anthem prior to his remarks, during a town hall event at Veterans Auditorium, January 5, 2016, in Panora, 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