After more Conservative MPs announce they will stand down at the next election, Matt Chorley asks Lucy Fisher and Matthew Parris if it could turn into an exodus. He also hears from former MPs Gyles Brandreth and Edwina Currie, who talks about her later career as a novelist.

Plus columnists James Marriott and Manveen Rana on immigration, energy saving, artificial intelligence and what happened when a minister sent the wrong recorded message to a conference.

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