The [FAA] ecently required the nation’s airlines to disable the oxygen generators located in all aircraft lavatories to eliminate a potential safety and security vulnerability. The FAA, along with other federal agencies, identified and validated the potential threat, then devised a solution that could be completed quickly. Air Worthiness Directive 2011-04-09. That’s the name of the new FAA rule that may kill you one day. It dictates that all emergency oxygen masks should be removed from lavatories in every commercial plane in the United States. The new rule has just been made public by the FAA after a long delay....