Obama really does recognize the threats that are out there; I think he understands the world. He understands the role of America in that troubled world.

My impression is that Putin feels that he can basically manipulate the West to do what he ultimately wants to achieve, and that he feels he's gotten away with it so far, and that all he has to do is basically play the same game.

Caution is an important quality in a leader, but it has to be caution followed by decision. Caution followed by ambivalence can be a weakness.

I think it's extremely important that the president Donald Trump himself indicate that he too wants to discover the full truth behind what the Russians did to elections 2016.

My father said I was perfectly suited for Washington because I've always worked around nuts.

The Taliban is resilient.

In this century, the 21st century, the U.S. recognizes our prosperity and our security depends even more on the Asia-Pacific region.