‘Allies’ of the mayor of Manchester are still looking at ways of getting him into parliament to challenge Keir Starmer, writes John Rentoul T he more that Andy Burnham’s supporters talk up his prime ministerial ambitions , the less plausible they seem. The latest example is the suggestion made by “allies” of the mayor of Greater Manchester in the New Statesman that he might deploy the “nuclear option” to get round Keir Starmer’s block on his return to parliament. The idea has all the qualities