***Kabul is running dry, withered by scarcer rainfalls and snow melts and drained by unregulated wells. It has become so dry that its six million people could be without water by 2030 — and are now fighting about it. Its water reserves are emptying nearly twice as quickly as they are getting replenished. The Taliban administration, short of cash, has so far been unable to bring water from nearby dams and rivers to the choking city. *** Kabul, surrounded by snowy mountains and crossed by three rivers, had never been known as a dry city. But while its population has...