If There's Ever An Example That Military

I Had No Difficulty As Secretary Of Defense Moving From The Bush Administration To The Obama Administration.

I Have Tried To Maintain Civil Relationships With Everyone I Meet - And, Even If I Violently Disagree With Them, Try To Be Respectful.

Well, I've Ruffled A Few Feathers At All The Institutions I've Led. But I Think That's Part Of Leadership.

I Mean, When You Get Down To Very Low Numbers Of Nuclear Weapons, And You Contemplate Going To Zero, How Do You Deal With The Reality Of That Technology Being Available To Almost Any Country That Seeks To Pursue It? And What Conditions Do You Put In Place?

I Think Donald Trump Has Gotten China's Attention To A Degree That His Predecessors Have Not That This Is A Very Serious Matter For The United States.