LONDON — The weirdest thing about weeks like the last one in Westminster is ... they don’t feel that weird anymore.  A deeply unpopular prime minster, blamed by his party and country for failing to meet the  standards expected of a leader  — and, worse than that, for failing to lift the life chances and mood of ordinary voters — was subjected to a now-ritualistic rejection by his own MPs and senior allies.  A leadership challenge looms. Keir Starmer, weeks after securing his 2024 landslide