The Aspen Strategy Group's Policy Books is an annual series of pieces written by contemporary thought leaders on the most pressing U.S. foreign policy and national security issues. This edition is a collection of papers commissioned for the 2014 Aspen Strategy Group Summer Workshop, in Aspen, Colorado. On the occasion of the 30th anniversary of the Aspen Strategy Group (founded in 1984), the summer workshop convened a nonpartisan group of preeminent...