Trump’s lead is within the survey’s margin of error of 4.9 percent.

In third place is former Hewlett-Packard CEO Carly Fiorina, with 11 percent. She’s ahead of the one-time New Hampshire front-runner, ex-Florida Gov. Jeb Bush, who’s at 9 percent with Ohio Gov. John Kasich…

“This is a much closer race than we’ve seen over the last few months in pretty much any state, but it’s similar to a couple polls that have come out just in the last few days, and a couple in Iowa from the last few weeks, that have shown Ben Carson doing much better against Donald Trump than anybody has done in quite a while,” said Steve Koczela, of The MassINC Polling Group, which conducted the survey for WBUR.