Martin Scorsese says there should be more films like &ldquo;Cameraman: The Life and Work of Jack Cardiff,&rdquo; and he&rsquo;s right. And the great director is not just being self-serving about a 2010 documentary in which he happens to appear. &ldquo;Camerman&rdquo; is the sort of serious, rigorously researched and assembled bit of film history that we [...]