"Forty years ago as a graduate student I wrote a book about Spaghetti Westerns, called 10,000 Ways to Die. It's an embarrassing tome: full of half-assed semiotics and other attenuated academic nonsense. Thirty years later I wrote an entirely new book with the same title, about the same subject, from a different perspective--that of a working film director. What interested me was what the filmmakers intended, how they did that shot, how the...