Two weeks ago, a group of senior intelligence officials in the Defense Department sat for an hour listening to a briefing by a writer who claims — I am not making this up — that messages encoded in the Hebrew text of the Old Testament provide clues to the whereabouts of Osama bin Laden. One of the officials told me that they had agreed to meet the writer, Michael Drosnin, author of a Nostradamus-style best seller, without understanding that he was promoting Biblical prophecy. Still, rather than shoo him away, they listened politely as he consumed several man-hours of valuable...