The world spends $40 billion a year on pet food.

We all might ask ourselves why we tune in to these more trivial matters and tune out when it comes to Darfur

All of a sudden their husband's dead and maybe a child is dead and they have absolutely nothing - and they're heading through the desert at night.

The photos were taken by African Union soldiers. People in Congress saw them. I thought if people could see them, there would be public outcry. No one would be able to say, We just didn't know what was going on there.

Just a little help, a small security force, a bit of food, can save lives

You don't need to invade a place or install a new government to help bring about a positive change.

Look, we'll have to confront the pathologies of poverty at some point. We can deal with them cheaply at the front end, in infancy. Or we can wait and jail a troubled adolescent at the tail end. To some extent, we face a choice between investing in preschools or in prisons.