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.

Being an occupier is not good for anybody's global standing. It is a catalyst for terrorist recruitment.

The key to U.N. reform is giving Americans a clearer picture of what the U.N. is and what it isn't, what it can be and what it can't be.

I think Obama is right when he talks about the rule of law as a cornerstone of what the United States should stand for.

I was interning in the CBS sports affiliate in Atlanta with Robin Roberts.... I was taking notes on a Braves-Padres game, and on the live feed came footage of these kids protesting and getting crushed during the Tiananmen Square uprising in China in 1989. In that moment I became like a lot of young people in this country today, horrified and inspired but confused as to what I might do.

We need to find means for cooperation.

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.