Recent civil wars in the West African nations of Liberia, Sierra Leone and Ivory Coast destabilized neighboring southeast Guinea with a flood of refugees and increased poverty.  Health workers say the movement of displaced people and an increase in sexual assaults have caused the region to have the highest HIV/AIDS rate in the country.  As people die from the virus, many leave behind children to face life as AIDS orphans.  Kari Barber has more from the town of N'Zerekore in Guinea.