Ben Carson appears to have gained considerable support from Republican primary and caucus voters in the latest New York Times/CBS News poll released Tuesday.

Carson stock among Republican voters rose to 23 percent, which puts him nearly even with front-runner Donald Trump. Trump stands at 27 percent, up from 24 percent in the previous CBS News poll, which was taken just before the first televised Republican debate in early August. Carson showed a huge rise from his previous 6 percent.

The New York Times/CBS News poll was conducted from Sept. 9 to 13 and has a margin of sampling error of plus or minus six percentage points for Republican primary voters.

Carson, a retired neurosurgeon, has capitalized on his outsider message and has pulled at least some of his support more typical political figures like Jeb Bush (6 percent, from 13 percent) and Scott Walker (2 percent from 10 percent).

The only other significant gain was made by the third outsider in the Republican field, Carly Fiorina, the former chief executive of Hewlett-Packard, who drew support from 4 percent of voters, compared with a trace amount in midsummer.

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