Does Cameron really need an 11 point lead?
We keep hearing that the Conservatives will need a lead of “about 11%†to win – but is this really the case? There has been a bias towards Labour since Major won a majority on a 7.5% lead and the decrease in the hold that the “Big 2†have over the vote and seats doesn’t ease things. But the bias is not a fixed law of Nature. In the first of two guest slots statistician and PB regular Andy Cooke…