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.

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

President Reagan, of course, did more than any other person to entrench the Republican reputation for toughness on national security.

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.

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.

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

Countries that intervene militarily rarely do so out of pure altruism.