Official biographer John Lewis Gaddis paints a fascinating and multidimensional portrait of George Kennan, the post-war diplomat who set forth containment doctrine, presaged the collapse of the Soviet Union, and, in later years, became an outspoken critic of U.S. foreign policy, including of the war in Vietnam. At the launch Wednesday of George F. Kennan: An American Life, Gaddis revealed the personality behind one of the 20th century's great policy minds. (ref: 20120215HAPP)