Last week, Cautionary Tales told the tragic story of Derek Bentley, exploring Britain's troubled relationship with capital punishment. Across the Atlantic, Revisionist History has also been scrutinizing what it means for a state to try to execute a person. For this bonus episode, Malcolm Gladwell joins Tim Harford to discuss his new series The Alabama Murders, and to confront the disturbing truth behind the death penalty in America today.

Hear Revisionist History: The Alabama Murders wherever you get podcasts.

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An amateurish burglary in 1950s London ends in murder. One of the men involved is a 19-year-old named Derek Bentley. Bentley has the understanding of a child - and he wasn't the killer. But the British justice system seems determined to deliver the death penalty. The fate of capital punishment lies in the balance, and so too does the fate of Derek Bentley.

For a full list of show notes go to timharford.com, and to join our new Patreon, go to patreon.com/cautionaryclub.

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In 1983, a plane takes off from Ottawa with less than half the required fuel on board. As the engines cut out one by one, the pilot is left with a ticking clock and an impossible task. But what does a tale of an unusual plane crash have in common with one about a disappearing canal?

For this special episode, Tim is joined by colleagues from across Pushkin's podcast network. Heavyweight's Jonathan Goldstein stops by to muse on the cost of mistakes and whether we're really in control of how many we make. Plus, Nate Silver and Maria Konnikova from the podcast Risky Business give a gambler's take on the strange science of regret.

Heavyweight and Risky Business are available wherever you get your podcasts.

See omnystudio.com/listener for privacy information.