Photo by Simon Dawson / No 10 Downing Street In the narrow window of time set by us excitable lobby journalists, the push to topple Keir Starmer failed when the sun set on Westminster yesterday: there was no “big beast” resignation from the cabinet and no leadership challenge launched. The PM stood firm, telling cabinet to back him or sack him, and insouciantly started replacing the various parliamentary private secretaries and junior ministers who resigned yesterday in an effort to pressure him to go. The consensus of commentary vertiginously changed once again. It was not the end – perhaps Starmer had seen off the challenge. But just as it was premature to say a challenge was make or break yesterday, it would be equally premature to say that he is safe. The King’s Speech today, in which the Labour government’s agenda for the next parliamentary session will be set out, has created an interlude in which all sides think it is polite to stay quiet.…