Controversial O.J. trial police detective Mark Fuhrman now wants to tackle another controversial case: the death of Clinton official Vince Foster. Rumor has it that his proposal for such a book, shopped by agent Lucianne Goldberg, will hit publishers' desks on Monday. Regnery Publishing, which published Fuhrman's first book, the bestselling Murder in Brentwood, when New York trade publishers passed, has apparently passed on its option for this book. Stay tuned.