'Commentators often see wide differences between policy as they consider how it should be conducted and how it actually emerges. Those who are involved in making trade policy, for their part, commonly accuse commentators of 'not living in the real world'. There is often a dialogue of the deaf. Part of Mr. Hayes' object has been to try to build bridges between practitioners and commentators, with suggestions for ways of improving the policy-making process in the future.'Hugh Corbet, Consultant, Trade Policy Research Centre, London. The external trade policies of the European Community are of...