T he sense of relief in Westminster when Wes Streeting’s resignation letter finally landed was palpable. Even the now former health secretary’s critics and enemies in the party were worried until 1pm that he had “bottled it” again, with a challenge that has now been on the cards since Monday afternoon. MPs were complaining “we can’t just limp on, we need to resolve this” as the prime minister clung on in his bunker in Downing Street, “in office but not in power,” as Kemi Badenoch put it. Wes Streeting has walked out of Starmer’s government (Reuters) Mr Streeting clearly wanted to leave with one final success in his former brief, and this morning it was announced the NHS had achieved the interim target of 65 per cent NHS patients being seen in less than 18 weeks. And his resignation confirms that he now believes he has the required number of fellow Labour MPs to support his likely challenge for the leadership.…