For more untold stories of the Wizarding World, pick up the new issue of Entertainment Weekly on stands now, or buy it here. Don’t forget to subscribe for more exclusive interviews and photos, only in EW. MORE FROM EW.COM “It’s a climax in many different ways because it’s one that is a revelation for Harry, in which he discovers this inner strength that he was not aware of,” says Alfonso Cuarón of the denouement of Harry Potter and the Prisoner of Azkaban. Cuarón stepped behind the camera to