The articles in this symposium are concerned with several major problems encountered en route from the promulgation to present social realization of the new style of Japanese constitutionalism. We have taken this opportunity to reflect after twenty years upon the problems of structure, political milieu, and continuity with the past. To some, continuity with the Meiji Constitution (1889-1947) might seem farfetched until we remember that it had several characteristics in common with the new Constitution: both followed foreign models (German and Anglo-American); both were far in advance of the social realities which they sought to transform; both were thus a product of an elitist ideal and granted from the top down (by Meiji oligarchs and SCAP...