Poll: Ben Carson, Donald Trump run neck

CNNPoll: Ben Carson, Donald Trump run neck-and-neckCNNWashington (CNN) Businessman Donald Trump and retired neurosurgeon Ben Carson are running neck-and-neck in the race for the GOP presidential nomination, while former Secretary of State Hillary Clinton continues to lose ground to Vermont Sen. Bernie ...NBC/WSJ Poll: Trump and Carson Lead GOP; Clinton Loses GroundNBCNews.comCarson, Fiorina, Sanders Gain Ground in Their Parties' Primary Races, Poll ShowsWall Street JournalFox News Poll: Clinton popularity drops, Carson gets high marksFox NewsPolitico -The Hill -CBS Newsall 319 news articles »