On 21 July 2024, the sun was blazing down on Chequers, the British prime minister's countryside residence. In the Hawtrey Room, two newly-crowned prime ministers - Sir Keir Starmer and Taoiseach (Irish prime minister) Simon Harris - were laughing. Surrounded by their closest advisers, which included chief of staff Sue Gray and cabinet secretary Simon Case on the UK side, Starmer told Harris a story about getting a Donegal jersey while on his honeymoon in Ireland. He said he still wears the