From the National Book Award-winning author of Redeployment and Missionaries, an astonishing fever graph of the effects of twenty years of war in a brutally divided America.When Phil Klay left the Marines a decade ago after serving as an officer in Iraq, he found himself a part of the community of veterans who have no choice but to grapple with the meaning of their wartime experiences—for themselves and for the country. American identity has always been bound up in war—from t