Yes, it really is only 496 days since Sir Keir Starmer won a colossal general election landslide.
That feels like a different era this morning: a morning on which health secretary Wes Streeting, the government's designated interviewee on the early media round, has variously accused those at the top of government of a "toxic culture", of sexism, and called for unnamed officials in Downing Street to be sacked.
He was responding to briefings from allies of Sir Keir that the prime minister would fight any challenge to his leadership, with Streeting's name mentioned as a potential challenger.
Let's rewind.
Why is this all playing out today?
