I am blunt sometimes; I am diplomatic sometimes; I am all things in between. Abrasive, you know, I guess it's in the eye of the beholder.

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

Americans are hungry for change both at home and in our relations with the rest of the world.

I think one of the real issues that we're faced with is how we consume news, how the media is perceived, how fake news is gaining a degree of currency without criticism that is dangerous, in my judgement.

President Obama is perhaps the smartest person I've ever worked with.

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

Iran's economy is now shrinking by 1 percent a year. Its oil production is down 40 percent.