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Paul Farmer reflects on aid, his theory of accompaniment, and Haiti after the earthquake.
The influx of AIDS money into global health carries risks, but well-designed programs can improve health care overall; Garrett responds.
In this special Web feature, Paul Farmer, Jeffrey Sachs, Alex de Waal, Roger Bate & Kathryn Boateng, and Laurie Garrett discuss Garrett's essay "The Challenge of Global Health" and debate how best to help the world's poor and sick.
