Samuel Nunn: “The Nunn-Lugar Act in 1991 is a prime example of Democrats and Republicans working together to make the world safer.”

Chuck Hagel believes that we must build and preserve American strength as a force for good in the world.

Russia's recent flagrant actions indicate that its national interests sharply differ from America's national interests in important places, most acutely in Ukraine, in Europe, and in Syria.

I have no illusions about the challenge before us. It really pays to neglect or underestimate Russia or display gratuitous disrespect.

The key to solving the North Korea nuclear problem without a war is working with China. So alienating China--you pay a price for that.