I think a nuclear detonation is society-altering in ways that other attacks, even as horrific as 9/11, are not. This isn't because we have power-hungry political leaders, but I think it might be demanded by the people themselves out of fear.

Young people in college were not even born when the Berlin Wall fell, and so they are not really cognizant of the Cold War and what that meant. Now, truly, the genie is out of the bottle and you have the possibility that terrorists ... could be stealing a bomb or buying a bomb

The Cold War has ended. It's very simple. We are no longer living in a bipolar world. The chances that we will go to war with Russia are pretty much ended. Mutually Assured Destruction was a doctrine that worked very well for decades as a deterrent, but the world has fundamentally changed.

I really believe that even with all of our problems, we're still the best nation in the world. The idea of the United States is why millions of people want to come here every year. The reality is sometimes different, and we certainly have many things to fix, but I really believe that we have in our national DNA the ability to be a great nation that leads the way to progress.

Despite the obvious fault in the universe, it cannot be used as an excuse for not trying to be your best self. Instead, use unfairness as a starting point to be sure that your actions are the best you can muster, and find peace in navigating your time here with grace and humor whenever possible.

I think human intelligence is the only one that will actually tell you intent.

I think a nuclear detonation is society-altering in ways that other attacks, even as horrific as 9/11, are not. This isn't because we have power-hungry political leaders, but I think it might be demanded by the people themselves out of fear.