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.

I think it's dangerous to be optimistic.

China was probably the worst place in the world to grow up female 100 years ago. There was foot binding, female infanticide, concubinage, and child marriage, and now it's one of the better places. So I really do feel that we're on the right side of history here.

Sometimes I wish eastern Congo could suffer an earthquake or a tsunami, so that it might finally get the attention it needs. The barbaric civil war being waged here is the most lethal conflict since World War II and has claimed at least 30 times as many lives as the Haiti earthquake.

I think that [Donald] Trump is frankly a bigot. He has a racist history.

We tie ourselves in knots when we act as if democracy is good for the United States and Israel but not for the Arab world. For far too long, we've treated the Arab world as just an oil field.

You will be judged in years to come by how you responded to genocide on your watch.