PARIS (Reuters) - Christopher Lee is piling up his credentials as a cinema icon -- he has played the villain in James Bond, Star Wars and "The Lord of the Rings."All the 80-year-old British actor now needs to complete the set is an appearance in the "Harry Potter" movies.Lee, a tall and saturnine figure with an unmistakable air of menace, rose to fame playing Count Dracula in the classic Hammer horror films and has made more than 280 movies.Now he is in more demand than ever and readily admits: "I'll never retire. What would I do?"He feels that he helped...