The Pentagon's a strange place. Inside secure command centers, military officials make life and death decisions--but the Pentagon also offers food courts, banks, drugstores, florists, and chocolate shops. When Rosa Brooks gave her family a tour, her mother gaped at the glossy window displays: "So the heart of American military power is a shopping mall?" In a sense, yes: the U.S. military has become our one-stop-shopping solution to global problems....

Over a thirty-five year career, Daniel Bolger rose through the army infantry to become a three-star general, commanding in both theaters of the U.S. campaigns in Iraq and Afghanistan. He participated in meetings with top level military and civilian players, where strategy was made and managed. At the same time, he regularly carried a rifle alongside rank-and-file soldiers in combat actions, unusual for a general. Now, as a witness to all levels of...