Perpetual War  How Does the Global War on Terror Ever End?    By Jeremy Scahill Posted by Jeremy Scahill at 6:27am, October 29, 2013  TomDispatch.com Read Tom Engelhardt's introduction here. [This epilogue to Scahill’s bestselling book, Dirty Wars: The World Is a Battlefield, is posted with the kind permission of its publisher, Nation Books.] On January 21, 2013, Barack Obama was More