My kids are my salvation.... It's a delight to walk in and get charged by a five-year-old and a two-year-old. That'll make you forget the darkness.

What is most needed in Darfur is an international peacekeeping and protection presence, and this is what the Sudanese government most wants to avoid.

I think about Syria when I go to bed at night.

Without investing in the rule of law for the poor, none of the other investments we make will be sustainable.

Over the years, Western governments have been criticized for working with foreign police who have proved abusive or corrupt.

You could be in the United Nations office all night every night and still feel like you were not making a sufficient dent in the world's problems. I think the key is prioritization. But every job presents the tyranny of the inbox, of allowing the urgent to crowd out the important. So we have to have our lodestars.

Since 9/11, there has been a huge leap in people wanting to get personally involved in public service and international affairs.