In this Money Talks. Felix Salmon chats with former trader Gary Stevenson, author of The Trading Game: A Confession. In the book and conversation, Gary tells how a card game made him Citibank’s youngest trader…and how betting on economic downfall made him its most profitable. Why did he walk away at the top of his game? If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get an ad-free experience across the network and an additional segment of our regular show every week. You’ll also be supporting the work we do here on Slate Money. Sign up now at slate.com/moneyplus to help support our work. Podcast production by Jared Downing and Cheyna Roth. Learn more about your ad choices. Visit megaphone.fm/adchoices