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.

Easterly, a celebrated economist, presents one side in what has become an ongoing debate with fellow star-economist Jeffrey Sachs about the role of international aid in global poverty. Easterly argues that existing aid strategies have not and will not reduce poverty, because they don't seriously take into account feedback from those who need the aid and because they perpetuate western colonial tendencies.

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.

Polak, a psychiatrist, has applied a behavioral and anthropological approach to alleviating poverty, developed by studying people in their natural surroundings. He argues that there are three mythic solutions to poverty eradication: donations, national economic growth, and big businesses. Instead, he advocates helping the poor earn money through their own efforts of developing low-cost tools that are effective and profitable.

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

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

Only 3 percent of people in the DRC use condoms.