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Maybe there is an air about the brooding Hindu Kush mountains that lends inscrutability to politics and history. It touched Tuesday's Kabul international conference on Afghanistan, where the subtext was of far greater interest than the open agenda. In fact, when it comes to the Afghan problem, it is almost inevitably the case that the surreal takes precedence over the real. 

Thus it was surreal that the North Atlantic Treaty Organization (NATO) is still not quite done, after failing to win in Afghanistan, with its first "real" war in its six decades of history as a military alliance, and it is certainly not contemplating a return to its natural habitat.