Keir Starmer announced his intention to step down as Britain’s prime minister on Monday, succumbing to intense party pressure as his popularity plummeted and rivals manoeuvred to challenge him. “Every decision I have taken has been about putting the country I love first. That is why I will resign as leader of the Labour Party,” an emotional Starmer said in a short speech outside 10 Downing Street in London. Starmer, who up until Monday had resisted calls to stand aside, said he would remain...