![BhTV (video) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/042/818/small/bloggingheads-tv-video.png)
Summary: Optimism on AIDS? ... Treatment as prevention ... PEPFAR, George W. Bush's life-saving legacy in Africa ... What individual countries are doing to fight HIV ... Preventing mother-to-child transmission of the virus ... Why an AIDS vaccine is still unlikely ...