We're all familiar with news stories about radicalized Western kids who join the terrorist group ISIS. Today on The Gist, Julia Ioffe tells the story of the mothers those kids leave behind, and how many turn to activism in their grief. She wrote the article "Mothers of ISIS" for Huffington Post Highline. For the Spiel, Mike consults the book of Job. Today's sponsor: Stamps.com, where you can buy and print official U.S. postage right from your desk using your own computer and printer. Use the promo code THEGIST to get a no-risk trial and a $110 bonus offer. Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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