Two years ago, a group of doctors did something unprecedented - they boycotted a cancer drug because, given the benefit, it cost too much. Following up on the story, Radiolab producer Molly Webster discovers this is far from your normal drug pricing story. It's long been taboo to talk about cost and care in the same breath. But we enter a space where economics and philosophy sit side-by-side, and raise a deeply uncomfortable question: what is a year of life worth?