In a windowless basement room at the United Nations, a new British prime minister and an unpredictable American president met for the first time — not in the gilded setting of the Oval Office, but on neutral, unglamorous ground. Andy Burnham, barely months removed from running Manchester, sat across from Donald Trump and emerged without catastrophe, earning warm words while quietly absorbing a pointed challenge over the Chagos Islands. It was the kind of encounter that reveals less about what was resolved than about what remains unresolved — a relationship established at the edge of a longer,