How powerful are sanctions, really? In this episode, Jen and Jarrett talk to former U.S. treasury secretary Jack Lew about how policymakers ought to approach sanctions, and the dangers of using sanctions unwisely. This is the second episode of a three-part special series on sanctions—a 101 on how sanctions work and how policymakers should use them. Don’t miss part one of our series on what sanctions are and how they work. Listen here: https://soundcloud.com/diplopod/sanctions-101-how-sanctions-work And come back tomorrow for part three of our series, when Jen and Jarrett talk to sanctions lawyer Greta Lichtenbaum about how she helps her clients navigate sanctions policies. To make sure you don’t miss anything, subscribe wherever you listen to podcasts. Jacob Lew served as U.S. secretary of the treasury from 2013 to 2017. He previously served as White House chief of staff. Jarrett Blanc is a senior fellow in the Geoeconomics and Strategy Program at the Carnegie Endowment for International Peace. He was previously the State Department coordinator for the Iran nuclear deal (JCPOA). We want to hear from you! Write to us at [email protected], or call us at 202-939-2247. Leave us a voicemail and we might use your question on a future episode. You can also talk to us on Twitter using #DiploPod. And follow Jen! She’s on Twitter at https://twitter.com/jrpsaki. Go Deeper: Read Jack’s new Foreign Affairs article on economic statecraft: https://www.foreignaffairs.com/articles/world/use-and-misuse-economic-statecraft?gpp=6Kgbv%2BDmD6cFKWHq7SX4uzozL2Fad2ZDR1NuUFRHcUkvK3F2TndueEtGRWpxSUFvZG1sbGV6V3BITGNrWDVHOHoxaThIdnB6Y291ODZWUS9POjViMDg1N2FjN2ZiZmEzYTdmYzEzYjA4NDkzM2I2MTFjZTMzZjI1NTJhMjAyOGNiMzM2MDVjYmMyOGI1MTU2YzU%3D&cid=%3Fcid%3Dlew_nephew_paywall_free_10152018 Watch Jack’s 2016 speech on U.S. sanctions policy: https://ceip.org/e-5191 More about Jack Lew: https://sipa.columbia.edu/faculty-research/faculty-directory/jacob-j-lew More about Jarrett Blanc: http://carnegieendowment.org/experts/1343 Follow Jarrett on Twitter at https://twitter.com/jarrettblanc