Within most democratic governments, the conduct of international commercial policy is the joint responsibility of the executive and legislative branches. This division of powers exists in varying degrees in most Western political systems. Nowhere, however, is this joint responsibility more evident than in the unique governmental system of the United States. This case study discusses the partnership between the president and Congress for the conduct of U.S. trade policy, how this partnership became strained during the 1960s, and how it was renegotiated with apparent success during the 1970s.