When President Bush announced in a televised speech the week after September 11 that he wanted Osama bin Laden “dead or alive,†a grieving nation seeking justice and revenge roared in approval. Two years later, as al Qaeda’s associates mounted almost weekly attacks against U.S. interests and bin Laden still roamed the earth as a free man, Americans wondered why. With both the military and the media declaring the war in Afghanistan over and a resounding ...