I doubt he would run but the idea is intriguing.

(CNN) – News that South Carolina Sen. Jim DeMint will travel to Iowa on March 26 to address a conservative forum organized by Rep. Steve King is sparking another round of chatter that DeMint might launch a dark horse bid for the White House in 2012.

The Republican gadfly has been adamant in denying such intentions for more than a year – just Wednesday, he gave CNN’s Wolf Blitzer a flat “No” when asked if he plans to seek his party’s presidential nomination.

But the ground may be shifting in DeMint-world, and several of his closest advisers and political confidantes are now telling CNN that he is at least open to a presidential bid if a suitably conservative candidate fails to emerge from the early and wide-open GOP field.

“I think that you can read into it that he sees he has a role in the process and he hasn’t completely shut the door,” said one DeMint adviser asked about the Iowa foray.

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