An intimate and detailed account of how the haggard and faulty policies of the West have put Afghanistan on the brink of a deeper and increasingly worrisome crisisThe war in Afghanistan has been raging for 20 years-three times more than the duration of World War II. Twenty years after the West, under the leadership of the United States, went to war in Afghanistan, the Taliban is gaining momentum, seizing territory and killing Afghan security forces in unprecedented numbers. All told, the cost of 20 years of war in Afghanistan will amount to more than $2 trillion. Still, why is Afghanistan looking more precarious than ever?Apparently, the US-brokered peace process has crumbled, with neither the Taliban nor the Afghan government subscribing to it fully. Did 20 years of unparalleled military support and financial aid fail to pacify one of the world's most volatile nations? What was the West's biggest failure in Afghanistan?