Kay Bailey Hutchison: “It's great that he's here to talk about the national system.”

That is something that has to be, from the NATO standpoint, a consensus. Some of our allies are concerned that a withdrawal would make Russia more aggressive.

NATO's door is open to all European democracies which share the values of our Alliance.

Well, first of all, NATO is not obsolete, and I think the President has acknowledged that...

It is one of NATO's prime focuses, the aggression of Russia in Ukraine, of course, Georgia as well.