As Guido’s Sun column revealed yesterday, the mop-topped Mayor of London is going bald. Brand Boris is reliant on his giant blond bouffant, yet his appearance on last week’s Question Time revealed a growing bald patch at the back and a deliberate effort to comb his locks forward. It was all a bit Donald Trump:

The age old rule in British politics is that bald men in the television age do not beat rivals with a full head of hair. Think Tony Blair versus William Hague, Iain Duncan Smith and Michael Howard, nor can we forget Maggie versus Kinnock, in every election the slap-head loses. Could Boris be a modern day version of Samson? Better get shift that leadership campaign up a gear…