People who frighten me - I heard one of the London 2012 Olympic committee members speaking last week (i'm afraid the meeting's 'Chatham House' rules prevents me from naming her). After a very interesting overview of the preparations she was asked "What is it that most frightens you?" We all thought she was going to say something like being worried that the stadium wouldn't be ready in time or the swimming pool will leak and flood half of the East End of London, but instead she said