‘Ending AIDS’ in New York means finding the most vulnerable

Nearly one in 10 Americans living with HIV live in New York, where an ambitious plan aims to cut new infections and HIV-related deaths. But it has serious challenges, including keeping people on their meds, and stopping the spread among IV drug users. William Brangham reports with support from the Pulitzer Center on Crisis Reporting in the third installment of our “The End of AIDS?” series.