"Do you want a chat about the saviour?" a long-time Labour contact joked when I asked to pick their brains about their old colleague Andy Burnham, who is poised to enter No 10 in less than a month. It certainly is time to talk about the Greater Manchester mayor. Only 10 days ago, he pulled off an impressive victory, in what one former minister described as a "Russian roulette" by-election in Makerfield, beating Reform and defying Labour's lack of popularity. But can he pull off the far bigger