One president called him "the greatest living American;" and another told him, "I feel I could not sleep at night with you out of the country." Sir Winston Churchill found him to be not only "a rugged soldier and magnificent organiser" but also "a statesman with a penetrating and commanding view of the whole scene"; to Britain's great wartime leader, he was "the noblest Roman of them all." Perhaps the most moving tribute came from his wartime boss, at a small, evening ceremony in the Pentagon, the day Nazi Germany surrendered. Secretary of War Henry L. Stimson, whose own experience with the...