Burnham’s supporters talk up a Manchester ‘productivity miracle’ but the data underpinning that claim looks a tad dodgy.

Burnham’s supporters talk up a Manchester ‘productivity miracle’ but the data underpinning that claim looks a tad dodgy.

As Andy Burnham is declared the winner of the Makerfield by-election, all eyes are on the 'King of the North' who vows to 'lead by example from the front'. But who is the former…