I've recently eaten so many mediocre meals in newly opened restaurants that I've lost count. I don't write about all of them. I do try to protect you. It started after getting back from Greece at the beginning of July. Doubtless anyone returning from a holiday, unless it was in Tokyo, finds London restaurant prices freshly hard to stomach. But when, again and again, a lot of money buys an indifferent experience, you wonder how the restaurant business can survive.