Mark Boal and Kathryn Bigelow, the team behind a planned Hollywood film about the hunt for Osama bin Laden, were caught up this week in the kind of dispute that more often ensnares journalists. It happened when Representative Peter T. King, Republican of New York, disclosed on Thursday that the Pentagon was investigating whether the filmmakers — who collaborated on the Oscar-winning project “The Hurt Locker” — had improper access to classified material for the still untitled Bin Laden movie.Film on Bin Laden Hunt Leads to Pentagon Investigation - NYTimes.com