Republican presidential hopefuls Ben Carson and Donald Trump participate in the debate at the Ronald Reagan Presidential Library in Simi Valley, California, on September 16, 2015.
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New Polls: Ben Carson ahead of Trump in Iowa
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Donald Trump is behind Ben Carson in a new poll in Iowa. CNN's Sara Murray reports.
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Republican presidential hopefuls Ben Carson and Donald Trump participate in the debate at the Ronald Reagan Presidential Library in Simi Valley, California, on September 16, 2015.
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New Polls: Ben Carson ahead of Trump in Iowa
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NEW YORK, NY - JULY 23: Anthony Weiner, a leading candidate for New York City mayor, stands with his wife Huma Abedin during a press conference on July 23, 2013 in New York City. Weiner addressed news of new allegations that he engaged in lewd online conversations with a woman after he resigned from Congress for similar previous incidents. (Photo by John Moore/Getty Images)
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