From Blair to Burnham, jogging as political metaphor has just run and run

The mayor of Greater Manchester is the latest in a long line of politicians to try to show he’s on the right track … etc

Politicians, as we know, love a metaphor. But do they have to be so literal? No sooner had the Greater Manchester mayor, Andy Burnham, announced that he wanted to run for parliament than … Look! Out he popped from his house on Friday morning in jogging gear, because he’s full of energy and on the right track and hitting the ground running and … oh, do keep up.

What is it that persuades a 56-year-old man who is leading every news bulletin in Britain and knows there is a throng of photographers outside to put on some terrible shorts and a 1980s Everton strip and expose his paunch and Lancashire tan to the world?