This bonus episode of Newscast is a profile of the leader of the Liberal Democrats, Sir Ed Davey.

Adam and Alex are joined by Dr Tim Leunig, economist and long-time friend of the Lib Dem leader, to chronicle his early life and political career. They look at his family life, what he has achieved in politics, including during his time as a minister, plus the origin of his political stunts.

This episode is part of a series where Newscast profiles each of the leaders of major political parties.

Rishi Sunak: https://www.bbc.co.uk/sounds/play/p0j477c7

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Newscast brings you daily analysis of the latest political news stories from the BBC. It was presented by Adam Fleming. It was made by Miranda Slade with Gemma Roper. The technical producers were Antonio Fernandes and Michael Regaard. The assistant editor is Chris Gray. The editor is Sam Bonham.