This is the first comprehensive examination of the U.S. national security situation in all of its dimensions since the dramatic events that began in 1989. The Soviet-initiated truce in the Cold War signified a major victory for the United States and its allies in the great twentieth-century competition between systems of human governance. But the victory was not without cost to the United States, which expended tremendous material, human, and psychic resources to forge and maintain the worldwide military and economic forces that protected its own national security and that of its allies. As a...