American Diplomacy 19001950 Author:George F. Kennan Published as a Charles R. Walgreen Foundation Lecture, George F. Kennan, "America's diplomatic chief of staff," considers the riddle of diminishing U.S. world security in the challenging appraisal of this country's foreign relations during the first half of the twentieth century. His candid, knowledgeable evaluation of U.S. principles and polici... more »es and his recommendation for future American policy should be read by everyone who is eager to preserves peace and stability n the world.