Biographical information; Tom Mann; LBJ's working relationship with Under Secretaries; coordination of Bureau of Economic Affairs; staffing; interagency cooperation and coordination; concept of country team; cooperation of American business firms; U.N. sanctions on South Rhodesia and South Africa; LBJ's changes in commerce and trade policies; Deming Group; foreign direct investments; B/P; protectionist pressures; foreign government reaction to American business community; LBJ's emphasis on building bridges to East; Dominican Republic intervention