Although this book was first published around 20 years ago John Campbell's weighty biography of Margaret Thatcher still sells well.

This conversation was recorded when the book was first released but there are details that are revealed in the interview that are quite surprising. 

In the light of the Liz Truss rise and fall, her identification with the Thatcher image is fascinating. The Truss way of doing things took the aggressive Thatcher demeanour and the wardrobe but the central core of Thatcher's charisma totally escaped her. Being self assured and bossy, it turns out, is not enough.