I am almost sure that telling a historical story through a movie is fraught with as many perils for the story-teller as doing so through the medium of historical fiction – it’s just that the movie-maker’s pratfalls are so much more … public, I guess is the word that I’m fishing for. There are big-name, serious historical fiction writers who abuse history almost beyond recognition in their attempt to weave a tale of the past – Philippa Gregory, anyone? – but to my mind, the really, really egregious mainstream offenses are committed in the service of movie-making.