Life is blighted by the tyranny of the urgent over the important, as someone said. That is why, at the time of Barack Obama’s global triumph in Washington, I wasn’t watching the proceedings live on television but dealing with some urgent minor errands. It was very annoying, particularly when someone asked me why I wasn’t sitting enraptured in front of a television somewhere. Without thinking I replied that it wasn’t really important anyway: I was sick and tired of all the hoopla. Then I realised I wasn’t just being irritable: I really meant it. I don’t mean that I am...