I am a teacher. I teach psychopaths: they know I am their teacher, they don't' know they are psychopaths. I go up the stairs, down the corridor, up the stairs again, into an endless cave of tunnels, corridors and cages, so to speak, little classroom, big classroom. I go in, the tutor is sitting at her desk talking over the phone, and she signals with her hand that she will be with me soon. How soon? I wonder, I take a look around, trying to look normal, trying to look like a teacher: concerned, self-assured, and competent. I am not; I am puzzled to say the least. What do they want me to do? Teach? Baby seat? Tell them that everything is all right when it's not? I could walk in and say what I really think: ‘I would like some normal students please. Do you have any? Or do we just get psychopaths these days?’ I can't, there is a rule and I have learned it very fast, it's called lying.' She is free now; she puts down the phone and invites me to sit down. I say...