I think in the policies that have been followed since the president Donald Trump came into office, there really hasn't been any slack cut for the Russians. And I think one of the things that has surprised people has been that the relationship between the United States and Russia has in fact deteriorated since the election.

What I know concerns me. What I don't know concerns me even more. What people aren't telling me worries me the most.

I don't think any president that I worked with has ever said 'pretty please.

When I was the director of Central Intelligence in the early '90s, I tried to get the Air Force to partner with us in building drones. And they didn't want to, because they had no pilots.

Future U.S. political leaders – those for whom the Cold War was not the formative experience that it was for me – may not consider the return on America’s investment in NATO worth the cost.

A wild and crazy weekend involves sitting on the front porch, smoking a cigar, reading a book.

There's a lot of books out there about how you lead change in business, but I've certainly not seen any... on how you do that in public institutions.