Description: Aspen Policy Books is a series of brief books devoted to developing new thinking on U.S. national security, cooperative measures to reduce conflict, and international polices of the United States from national defense strategy to issues of international political economy. The books are collections of "memos to the president" on one of these selected global policy issues.
Brief description: Philip D. Zelikow was executive director of the 9/11 Commission. He is the White Burkett Miller Professor of History at the University of Virginia.