One can pinpoint the moment at which The Killing of a Sacred Deer gets stuck, like a train between stations. It happens midway through the film, during a scene set in a hospital cafeteria, somewhere in Cincinnati. A greying, bearded cardiologist (Colin Farrell) sits opposite a teenage boy (Barry Keoghan) whose gormless, sweaty countenance conveys an undertone of menace. The boy, whose name is Mart ... (read more)