Populist Vermont Sen. Bernie Sanders is on a roll, more than doubling his support in Iowa where the Democratic race is coming down to the independent against Hillary Rodham Clinton, with others like Vice President Joe Biden and former Maryland Gov. Martin O’Malley becoming irrelevant.
In a new Quinnipiac University poll of likely Iowa caucus-goers released Thursday, Clinton continues to lead, 52 percent to 33 percent for Sanders.
That is a huge jump for the outspoken Sanders. In a May poll, it was Clinton by a margin of 60 percent to 15 percent.

Sen. Bernie Sanders. AP Photo
The shift comes as Sanders has been attracting large crowds to deliver his message against Wall Street.
As for the rest of the Democratic field, Vice President Joe Biden, considering a presidential bid, is at 7 percent, O’Malley has 3 percent, with 1 percent for former Sen. James Webb of Virginia.
The authoritative university poll provided the following analysis:
Paul Bedard, the Washington Examiner’s “Washington Secrets” columnist, can be contacted at [email protected].