This week, my wife Teresa and I experienced an up close and personal reminder of how far the world has yet to travel to defeat the scourge of HIV/AIDS.

Visiting the Umgeni Primary School and talking with people in poverty-stricken Kwangcolosi near Durban, South Africa, we saw both the most inspiring and the most heartbreaking, the most courageous and the most frustrating, realities of a global struggle to defeat a global scourge.