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W A S H I N G T O N, Feb. 25? A controversial associate of Defense Secretary Donald Rumsfeld has resigned from his seat on a key Pentagon advisory panel, ABCNEWS has learned.
Richard Perle, a lightning rod for critics of the Bush administration's national security policies, informed Rumsfeld more than two weeks ago he was quitting the Defense Policy Board. He confirmed the decision in a letter to the defense chief last Wednesday.
