The Islamic State makes no secret of its advertisement efforts to recruit new members. Less well-known is how ISIS finances itself from within the territories it occupies. Money Talking host Charlie Herman talks with two reporters who've investigated how ISIS makes money: Stacey Vanek Smith from NPR's Planet Money and Erika Solomon from the Financial Times. They review how the combination of oil and gas, taxes, confiscations and antiquities keep ISIS running — and the ways countries trying to defeat the militants can do so economically.