The notion that -- which some people are trying to suggest, that by asking for the identity of an American person, that is the same as leaking it, is completely false. There's no equivalence between so-called unmasking and leaking.

Iran's arms exports to the murderous Assad regime in Syria are of particular concern. As the Panel of Experts has concluded, Syria is now the central party to illicit Iranian arms transfers.

One of the things I love about negotiations is that you have to be able to play it like an orchestra, different instruments for different circumstances. There's sweetness, and encouragement, and cajoling. There's pressure, there's drama, there's ultimatums.

The United States really only accounts for about 3 percent of the economic engagement with Russia. Europe is 40 percent, and so Europe's contribution to this pressure is far more than symbolic. It's very practical. And that's one of the many reasons why we have worked hard to remain in close coordination with our European partners.

If you're trying to get something done, there will always be people who don't want to see you get something done, or who have a stake in the status quo. And if they approach that through ad hominem criticism of you, you've got to have enough confidence and thickness of skin to be able to endure.

Change doesn't happen with people sitting on their behinds, getting lazy.

I'm not watching any TV shows, frankly.