In part two of this week's episode, Margaret continues her conversation with Ian Johnson about Muhammad Ali, one of the greatest and most principled athletes of all time, who used his platform to fight for change outside of the boxing ring at immense personal cost.

Part Three: Harm Reduction: The Direct Action Movement that Changed How We Understand Addiction
30:18

Part Two: Harm Reduction: The Direct Action Movement that Changed How We Understand Addiction
35:00

Part One: Harm Reduction: The Direct Action Movement that Changed How We Understand Addiction
39:21