On Thursday lunchtime, Wes Streeting resigned from Sir Keir Starmer’s government. The now-former health secretary said he had “lost confidence” in the PM’s premiership – the first cabinet minister to jump ship. But what he didn’t say (yet) is that he will challenge Starmer for the Labour leadership – and with it, the keys to Number 10. So, why hasn’t Streeting fired the starting gun on a contest his critics say he’s been desperate to fight? What sort of leader might he eventually be, and what’s