As the prime minister prepares to cling to office, Anne McElvoy assesses his chances of survival – and reveals the individual who will determine his fate (…and it’s not Andy Burnham) A s Keir Starmer spoke to party supporters in London after the rude rout of local elections , I watched him exude a mixture of defiance and irritation – that he should be pleading for his job less than two years into power. Damn the pesky voters turning the Red Wall a Reform-hued turquoise. Never mind trailing the