The movement known as neorealism lasted seven years, generated only twenty-one films, failed at the box office, and fell short of its didactic and aesthetic aspirations. Yet it exerted such a profound influence on Italian cinema that all the best postwar directors had to come to terms with it, whether in seeming imitation (the early Olmi), in commercial exploitation (the middle Comencini) or in ostensible rejection (the recent Tavianis). Despite the reactionary pressures of the marketplace and the highly personalized visions of Fellini, Antonioni. And Visconti, Italian cinema has...