In 1915, Sumner Welles, the son of an aristocratic family, began to work for the US State Department. Welles quickly showed an aptitude for the delicate job of international negotiation. His early successes in Japan later brought him to the attention of FDR who brought him into his administration as Under-Secretary of State. While Welles provided FDR with invaluable information about Europe and Japan, his main achievement was the development of US...