Love her or loathe her, one thing's beyond dispute: Margaret Thatcher transformed Britain. The Iron Lady, who ruled for 11 remarkable years, imposed her will on a fractious, rundown nation - breaking the unions, triumphing in a far-off war, and selling off state industries at a record pace. She left behind a leaner government and more prosperous nation by the time a mutiny ousted her from No. 10 Downing Street.