Rwanda is still known to many for the 1990s genocide that killed millions of people. But 15 years later, the country is one of Africa's success stories in the fight against AIDS. With new infections falling, and better access to treatment, political leadership together with better investments are being see as the cornerstones behind this turnaround. In the last part of our week-long AIDS 2010 series, my colleague James Chau spoke to Rwanda's Health Minister.