Book excerpt: How did the Vietnam War change the way we think of ourselves as a people and a nation? Christian G. Appy examines the war's realities and myths and its lasting impact on our national self-perception. Drawing on a vast variety of sources that range from movies, songs, and novels to official documents, media coverage, and contemporary commentary, Appy offers an original interpretation of the war and its far-reaching consequences for both our popular culture and our foreign policy.