In the nineteenth century, the central moral challenge was slavery. In the twentieth century, it was the battle against totalitarianism. We believe that in this century the paramount moral challenge will be the struggle for gender equality around the world.

The north of the Central African Republic is now a war zone, with rival armed bands burning villages, kidnapping children, robbing travelers and killing people with impunity.

In the long struggle against sex trafficking, we finally have a breakthrough!

The tide of history is turning women from beasts of burden and sexual playthings into full-fledged human beings.

Conservatives, who have presumed that the key to preventing AIDS is abstinence-only education, and liberals, who have focused on distribution of condoms, should both note that the intervention that has tested most cost-effective in Africa is neither... Secular bleeding hearts and religious bleeding hearts will have to forge a common cause.

American airstrikes...create risks, especially if our intelligence there is rusty. The crucial step, and the one we should apply diplomatic pressure to try to achieve, is for Maliki to step back and share power with Sunnis while accepting decentralization of government. If Maliki does all that, it may still be possible to save Iraq. Without that, airstrikes would be a further waste in a land in which we've already squandered far, far too much.

I think it's dangerous to be optimistic. Things could go terribly wrong virtually overnight