The Vietnam War was not going well in 1968. The January Tet Offensive--a tactical defeat but strategic victory for North Vietnam--showed the U.S. military and the American public that the enemy remained determined, no nearer defeat. Americans grew war weary while politicians and military leaders could not agree on how to win or how to withdraw. Between combat tours, the author served as a U.S. Army company commander--a job he came to despise...