Jacob Sullum joins the show to talk about how drug prohibition actually creates more problems than if some controlled substances were made legal. 

Jeffrey A. Singer joins us to talk about the ongoing opioid overdose epidemic in the United States. Why are there so many opioid users in the US?

Prof. Adam Martin explains how the drug war has altered incentives for both drug buyers and sellers, leading them to favor higher potency drugs.

Sullum argues for the repeal drug prohibition and discusses the misperceptions regarding drug use and addiction.