Margaret Thatcher was a triple election winner, feted abroad, whose premiership ended with her sobbing through her resignation statement. Ben Monro-Davies talks to the men and one woman in room where it happenned

In this episode we hear from Peter Lilley. Lilley was and is an ardent Thatcherite. And out of loyalty to her - he felt duty bound to tell her frankly that her time was up after she failed to avoid a second ballot in the Conservative leadership battle of November 1990. Here he recalls a painful experience.