What sets a cult apart from a religion? Is it a harmless groupthink, or something much darker? And why are cults having such a moment right now, from pop culture to politics? Pippa and Karina drink the Kool-Aid and venture deep into wild, wild country with the help of Marianne Boucher, author of the graphic novel 'Talking to Strangers: A Memoir of My Escape from a Cult.'

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