Recipient of the 9th Annual Heinz Award for the Human Condition, Paul Farmer is a medical doctor and a professor of anthropology at Harvard's medical school. He shuttles between Harvard and Haiti, where he maintains a practice at Clinique Bon Saveur, a charity hospital he founded. Farmer talks in this audio interview with Globeshakers host Tim Zak about the challenges and rewards of providing healthcare to the poorest of the poor, and the evolving, innovative models for getting drugs to those who need them most.