She is reuniting with Firth in another film titled "Before I Go To Sleep," which is expected to be released in 2014.

This is a crucial moment in the evolution of Camerons strategy: it represents a decision not to go up against Nigel Farage in a Dutch auction of impracticality, anger and nostalgia, but to reintroduce himself to "Mondeo Man", the Tory voter who famously defected to Blair. It reflects a determination to stay on the centre ground which Cameron prefers to call the "common ground" and slug it out with Nick Clegg while Miliband lurches Leftward.

And one last prediction from Pike that rings so true you could bet money on it: "Someone somewhere will have a bad EV experience and the media will overreact," the researchers say. "The first time a driver is left 'stranded' by running out of charge will be cause c??lèbre for the doubters to highlight the superiority of gas cars."

But if I am correct that the BBC is self-righteous in the exact sense that it identifies its corporate identity with righteousness it follows that "breadth of opinion" is not the key concept that needs examining here. It is relatively easy to rustle up people on both sides (or even four or five sides) of an argument. The BBC often tries conscientiously to do this.

Yang bergelar sayang.