If you've ever been to a Passover Seder dinner, then you probably know about Elijah. The hosts of the Seder will typically add an extra setting for Elijah who is, essentially, the Passover Ghost.

If you've ever been to a Passover Seder dinner, then you probably know about Elijah. The hosts of the Seder will typically add an extra setting for Elijah who is, essentially, the Passover Ghost.

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. While not quite as infamous as Philip Zimbardo’s Stanford prison simulation, or Stanley Milgram’s obedience ...