From the moment that Margaret Thatcher became Great Britain's first woman prime minister, she began making history at every step. But how did the "Iron Lady" who won the Cold War and three general elections in succession find herself pushed out by her own MPs? With access to Thatcher and her family, Charles Moore insightfully comments on the final phase of her career and her combative retirement, offering new assessments on how the always-controversial PM fell victim to the political machinations of her many opponents.