I was very happy in my job at the United Nations.

If we are to garner sustained U.S. domestic support for future trade agreements, we have to make sure those Americans who have suffered as a consequence of past agreements have an effective social safety net, adjustment assistance, opportunities for retraining and new job creation that enables all Americans to thrive.

We have some straight journalism, but then we have opinion and perspective. And I think a lot of people, especially young people, don't know how to tell the difference, and aren't motivated to tell the difference.

The U.S. cannot go it alone simply when it is convenient.

You can't sit on the sidelines and read your iPhone and be on social media and expect everything to be cool. You have to be part of this.

Americans understand that our security is enhanced when the United States is trusted and respected in the world.

What I learned is that policymakers have to force consideration of actions that may not have occurred to them at the time.