Wes Streeting, who resigned  as U.K. health secretary this week, announced Saturday he will run to replace Keir Starmer as Labour leader and prime minister, after the party suffered disastrous local election results. "We need a proper contest with the best candidates on the field, and I'll be standing," Streeting said at a think tank event in London, two days after Greater Manchester mayor Andy Burnham unveiled a bid to become a member of Parliament, or MP. If successful, that would allow