Andy Burnham is the very clear favourite to take over from Sir Keir Starmer as prime minister. But Al Carns – the former soldier and armed forces minister – is said to be weighing up a challenge. Katie Rosseinsky looks at how this decorated ex-marine could change the game F ollowing Keir Starmer’s resignation announcement on Monday, the prospect of an Andy Burnham premiership is being treated as something of a foregone conclusion – despite the fact that the new MP for Makerfield had only