OPEN GOVERNMENT -- Yes, Virginia, there is a generations-old secret room within FBI headquarters, whose existence until now was unknown to almost everyone who worked in the building, with filing cabinets bursting with documents outside the formal classification system, tracing our spying on foreign and domestic enemies, on foreign allies, on suspected gays, and on politicians suspected of being too cozy with organized crime figures.  An unknown quantity of these files has quietly been destroyed, reports Bryan Bender in the Boston Globe.