Less than two weeks after the Department of Defense announced it would finally subject itself to a first-ever audit, a new report puts into perspective precisely why the Pentagon so sorely needs a thorough analysis of where its trillions upon trillions in taxpayer funds have gone — because a stupefying $21 trillion cannot be accounted for by just two government agencies, including the gargantuan DoD. That sum is indeed $21 trillion — tens of trillions of dollars — spent by th