Former British premier John Major has admitted he had a four-year extramarital affair with Edwina Currie, one of the most flamboyant politicians of her era, when both were serving as ministers in Margaret Thatcher's Government, a media report said today. Major began his liaison with Currie in 1984 when she was a backbencher and he a government whip. It was ended in early 1988 after his swift promotion through the ranks to the Cabinet as Chief Secretary to the Treasury, The Times daily reported. Currie, who later became health minister in the Thatcher Administration, claimed that their friendship continued and...