Keir Starmer announced his resignation as leader of the Labour Party this morning. As such, he’s also started the clock on stepping down as prime minister, once a new leader is decided. Of course, an impending leadership contest has been the worst kept secret in  Westminster for months now. In particular, leadership rival Andy Burnham’s victory in last week’s Makerfield by-election formed a very public blow to Starmer’s position. Likewise, though far less significantly, useless ex-health secretary, Wes Streeting, quit ahead of a leadership challenge back in May, with ex-armed forces minister, Al Carns, following in June. Nominations for the leadership…