Marco Bellocchio makes a film on the imprisonment of Aldo Moro, the leader of Christian Democrats, kidnapped and killed in Italy by the Red Brigades in the spring of 1978. What spurs an uncompromising intellectual, an "irreconcilable" film-maker to face- 25 years later - such an over-whelming and unresolved episode of Italian history? The film-making is the occasion to explore ...