BusinessWeek - The 30-year war on AIDS has produced its share of notable victories. In the U.S., behavioral changes and combination drug therapies brought down the AIDS-related death toll from a peak of nearly 52,000 in 1994 to about 14,600 in 2007, according to the Centers for Disease Control & Prevention. Yet HIV infections are still spreading rapidly in parts of Africa and Asia. And so far, efforts to find a cure or develop a vaccine that would stop HIV in its tracks have failed.More...