If what we're really trying to do is stop the spread of HIV, we need to think about the customer.

Economist and Africa expert Collier analyzes why a group of 50 nations, home to the poorest one billion people, are failing. Considering issues such as civil war, dependence on extractive industries, and bad governance, he argues that the strongest industrialized countries must enact a plan to help with international policies and standards.

What is it that you think about just before you get a condom? Sex!

Only 3 percent of people in the DRC use condoms.