Should fiction be faithful to history? Film director Xavier Giannoli and historian Tal Bruttmann discuss

Xavier Giannoli's latest film, 'Les Rayons et les Ombres,' is a critical and box office success. It has also sparked questions about its approach to the character of Jean Luchaire, a collaborator during World War II. Can a work of art take liberties with the facts, especially when dealing with such a sensitive period?