Brokenness is the operative issue of our time - broken souls, broken hearts, broken places.

We know that often holding those who have carried out mass atrocities accountable is at times our best tool to prevent future atrocities.

First, recognize the mistake. The main thing is taking responsibility and being authentic.

Engaging Iran won't guarantee improved U.S.-Iranian relations or a more stable Gulf region. But not engaging means more of the same.

International institutions are composed of governments. Governments control their own military forces and police.

My second epiphany came as an intern at the Carnegie Endowment for International Peace. The man I worked for was consumed with what was going on in Bosnia. And the more I knew [about it] the more saddened I was. There were these images of emaciated men behind barbed wire.... It was like, I've got to find a way to do something.

When dictators feel their support slipping among adults, it is not unusual for them to alter school textbooks in the hope of enlisting impressionable youths in their cause.