In 1961, a political philosopher traveled to Jerusalem to cover a trial for The New Yorker. The man on trial was Adolf Eichmann — one of the primary administrators of the Holocaust. She expected a monster. What she found was something she described as terrifyingly normal. A bureaucrat. A man who spoke in clichés, followed orders, and never acted out of personal malice. A man who was not evil in the way we usually imagine evil. He was thoughtless. Shallowly, bureaucratically, catastrophically thoughtless.

The philosopher was Hannah Arendt. The phrase she coined — the banality of evil — became one of the most important and most debated ideas in twentieth-century political thought. And it is both more specific and more disturbing than the popular shorthand suggests.

In this episode, Shawn and Claire take the full measure of Arendt's work ...