Rachel Reeves held an undeclared meeting with Lord Mandelson, the latest release of the bombshell files has revealed.The Chancellor solicited advice from the former US ambassador while he was the chair of a lobbying company which was trying to influence the Labour Government.On November 18, 2024, then-Treasury chief of staff Baroness Martin said Ms Reeves was "keen to have a chat about trade" with Lord Mandelson, seen in newly-disclosed emails, …