recently read something about Heath Ledger’s journal while he was preparing to play the Joker in The Dark Knight. There was a post on Instagram showing pages from it—images, scribbled thoughts, disturbing references, fragments of things he was apparently studying while trying to crawl inside the head of Gotham’s most maniacal villain. It was fascinating. It was also fucking dark. First off, I should establish that I’m partial to Jack Nicholson’s Joker. Picture five-year-old J