Margaret talks with Anney Reese about how a group of people made polio vaccines and ended polio but how one guy took all the credit and ruined our understanding of history.

Part Four: Harm Reduction: The Direct Action Movement that Changed How We Understand Addiction
42:34

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