What Americans spend on illegal drugs, back-to-school tips from a sleep expert, why tariffs on China aren’t working, and more.

Policy Currents - A podcast by RAND - Fridays

We discuss how much Americans spend on illegal drugs; how a sleep researcher gets her kids ready to go back to school; the effects of U.S. tariffs on China; possible paths to Korean unification; and where educators go for support. For more information on this week’s episode, visit rand.org/podcast.