I think it's part of Vladimir Putin's nature to define Russian success in foreign policy as thwarting the United States. That's in his nature. And that is very difficult to align with strategically.

I think it's important to America's future and to the future of the American dream and our people and the unity and purpose and cohesion of our society that everybody feel like the pace of change isn't just dizzying, but it can work for them and not against them.

In strategic affairs, clarity and consistency are very important.

I came up during the cold war, and during the cold war it was always possible with the then Soviet Union - the Russian leaders behaved carefully and predictably. They didn't engage in nuclear saber rattling. They were able to work with us and align their interests where possible.

Effective immediately, transgender Americans may serve openly, and they can no longer be discharged or otherwise separated from the military just for being transgender.

I think it's part of Vladimir Putin's nature to define Russian success in foreign policy as thwarting the United States. That's in his nature. And that is very difficult to align with strategically.

We have for decades now, and I've dealt with the Russians for 35 years, we have from time to time been able to, even though we have different interests, to align them. That alignment has become more and more difficult under Putin. You see that in Ukraine, you see it in the Middle East. To an extent where he actually defines Russian success as thwarting the United States.