It was a message from one of those newish TV news channels who get in touch most weeks to the effect of: “Would you come and say something offensive about so-and-so, so our supporters can rub their hands together with fetid glee and Twitter can then go berserk with outrage?” (Quite why they ask me I can’t fathom…) “Today we’re doing a segment on South Korea looking to ban dog meat. Have you eaten dog, and if so can you come on and tell us about it?”