San Francisco's bold AIDS mission : End of AIDS?

There¿s still no vaccine and no cure, but the medical community is increasingly focused on ambitious plans to bring about an end to HIV/AIDS. The NewsHour launches its series, The End of AIDS? with a look at intense prevention and treatment efforts underway in one of the cities most impacted by the epidemic, San Francisco. William Brangham reports with support from the Pulitzer Center on Crisis Reporting.