Ex-Sen. Fred Thompson's lead political advance operative*, Sam LeBlond, resigned this morning, associates of Thompson said, and several other advisers were expected to quit before the end of the week.

Mr. LeBlond is nephew to President George W. Bush.

He joined the Thomspon committee less than two weeks ago.

Update: Chris Cillizza reports that Mary Matalin, a longtime friend of Jeri Thompson's, will not be departing.

** = perhaps I should have written "one of" here. The Thompson campaign is disputing the word "lead." Part of the problem is that several folks there were promised jobs with the same title. Mr. LeBlond was part of the advance staff. He was not an intern. He anticipated taking a lead role. And now he's resigned.

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