Hello and welcome to the Intelligence on Economist Radio. I'm your host, Jason Palmer.

Every weekday we provide a fresh perspective on the events shaping your world.

In 1973 an American psychiatrist recruited volunteers to pretend to be mentally ill. The

resulting study recounting their experiences was hugely influential, but a new book casts

much of that research and its conclusions into doubt. And Berlin is known for its clubbing

scene, but famous venues are closing left and right. Many blame gentrification. Our

correspondent, No Stranger to the Dancefloor, says the scene isn't disappearing, just changing

with the times.

But first, in Britain a cabinet reshuffle when the Prime Minister reorganizes the key figures

around him or herself can be dramatic, messy, even humiliating. But most expected that

Boris Johnson's first major reorganization yesterday would be modest. The economist's

prediction, the night of the short knives. Instead there was an unexpected moment of

high drama from such a javaid, the chancellor of the ex-checker, the treasury secretary

and keeper of the national budget. He resigned. Mr. Javid might have stayed, but he would

have had to fire all of his own advisors and replace them with a team appointed by Prime

Minister Boris Johnson and his chief aide Dominic Cummings. I don't believe any self-respecting

minister would accept such conditions, and so therefore I thought the best thing to do

was to go.

In addition to a shake up in other departments, yesterday's upheaval represents a significant

erosion of the treasury's independence.

A cabinet reshuffle starts with those ministers who are going to be ousted, being told by

the Prime Minister that their services may not be required.

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