Professor gives Washington Post series failing grade

Thursday - 8/5/2010, 4:48pm EDT

Thomas Mahnken, professor of strategy, U.S. Naval War College

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We've told you about the Washington Post's two-year, three-part investigation into U.S. classified activities, Top Secret America.

Well, one professor says he would have a tough time giving the piece a passing grade.

Thomas Mahnken is a professor of strategy at the U.S. Naval War College.

He says the authors centered their investigation around a weak thesis.