On November 15, 2018, my wife came home to give me the worst news that I have ever gotten in my adult life. My stepdaughter, Mandy Koblischek, who had been my stepdaughter for the past 21 years, and who I loved dearly, died from a lethal overdose of heroin laced with fentanyl. If heroin was legal, Mandy would still be alive today. To some readers, that last sentence might appear to be a misprint. After all, isn’t America’s strict laws against the sale and use of recreational drugs designed to prevent what happened to Mandy? The answer is yes, but the reality is that drug prohibition, just...