Margaret Thatcher was the longest serving Prime Minister of the Twentieth Century. And she thought she more time to run - until her party - and in her eyes, the cabinet - deserted her.

On the Big Ben History podcast - Ben Monro-Davies interviews the men and one woman in the room when she cried through her resignation statement.

In this episode Malcolm Rifkind, her last Secretary of State for Scotland, remembers the final days of the Iron Lady.