I could not say how or why, but this film of kung-fu released in 1985, The Last Dragon, was engraved in me from childhood. Powerful memories: to watch it, to adore it, to feel a visceral connection... without ever being able to explain it. On the occasion of his 40 years this week, I rediscovered it. And there, revelation: not only did I understand my attachment, but the film is much better than in my memory. Directed by Michael Schultz (a regul…