I was thinking a lot about the BBC and the Jimmy Saville scandal. Personally, I don’t believe for a second that nobody in the BBC was aware of what Saville was up to. During the time I was thinking about this, children in need was around. I got to thinking about how much children in need contradicted Saville’s behaviour. So I began thinking of how the BBC has a split personality, there are the things it chooses to show us and those which it does not. So I began playing with ideas…