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 door to No 10; a leadership contest also allows him and Wes Streeting to finally stretch their wings. Ideas currently firmly chained up in a Downing Street dungeon could be freed. Land value tax? Wealth tax? No more children in temporary accommodation? A national care service? Why not?Not to be outdone, the government itself has unleashed a burst of activity, with Rachel Reeves’s , as well as speeding up a and for children. Expect renewed effort on nearly a million Neets (young people not in education, employment or training) with radical this week.Polly Toynbee is a Guardian columnist