With Franklin Roosevelt's death in April of 1945, Vice President Harry Truman and Senator Arthur Vandenberg, the Republican leader on foreign policy, inherited a world in turmoil. With Europe flattened and the Soviets emerging as America's new adversary, Truman and Vandenberg built a tight, bipartisan partnership at a bitterly partisan time to craft a dramatic new foreign policy through which the United States stepped boldly onto the world stage to...