When the chairman of the U.S. Joint Chiefs of Staff says that the situation in Afghanistan is “deteriorating,” that’s not a good sign. That’s exactly what Admiral Mike Mullen said on Sunday, unfortunately, going on to say that the Taliban has gotten “more sophisticated.” For a military analysis of America’s loosening grip on stability in Afghanistan, we talk with retired U.S. Army Colonel Paul Hughes. He is currently the senior program officer at the U.S. Institute of Peace.