Several years ago, the Global Fund to Fight AIDS, Tuberculosis and Malaria began a massive investment in free anti-HIV drugs for AIDS patients in the developing world. Recently, the Global Fund joined up with Magnum Photos for a new exhibition documenting the lives of 30 people benefiting from the treatment. Anchor Marco Werman speaks with one of them, Thoba Nzima of Swaziland, and Magnum photographer Larry Towell.