The Taliban remain one of the most elusive forces in modern history. A ragtag collection of clerics and madrasa students, this obscure movement emerged out of the rubble of the Cold War to shock the world with their draconian Islamic order. The Taliban refused to surrender their vision even when confronted by the United States after September 11, 2001. Reinventing themselves as part of a broad insurgency that destabilized Afghanistan, they pledged...