Here is Andy Burnham’s route to save Labour: a new manifesto, a new election and electoral reform | Polly Toynbee

Proportional representation can rescue Britain’s warped politics. It could stop Nigel Farage arriving at No 10 with less than 30% of the voteHere comes the prospect of redemption, a second chance for Labour to start over. A victory for Andy Burnham in the Makerfield byelection not only opens the doo