Bush's Africa trip highlights the impact of U.S. foreign policy on the spread of HIV/AIDS in Africa.

What the world can learn from the latest secular v. religious stand-off in Turkey.

Will AFRICOM help or hurt Africa's progress toward stability and development?

After the initial euphoria, many African Americans got their hopes dashed.

In at least one place, our president is a rock star.

What America and the world can learn from each other.

Can Gates develop a new operating system for farmers?

Spread the wealth, or the violence will continue.

Can Mbeki—and South Africa—survive the challenge?

In his new album, Madlib channels the late, great hip-hop producer J. Dilla. Clearly, the two artists are twin musical souls. But will their common sensibilities be enough to bring Dilla back from the dead?