When President Barack Obama laid out his plan for winning the war in Afghanistan, behind him stood an army of ghosts: Greeks, Mongols, Buddhists, British, and Russians, all whom had almost the same illusions as the current resident of the Oval Office about Central Asia. The first four armies are dust. But there are Russian survivors of the 1979-89 war that ended up killing 15,000 Soviets and hundreds of thousands of Afghans as well as virtually wrecking Moscow’s economy.