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Hi, this is Margaret Brennan, moderator of Face the Nation and Chief Foreign Affairs correspondent at CBS News.

Last week, I spoke with former Secretary of Defense Robert Gates,

who is now the chancellor at William and Mary. Here's our conversation. Mr. Secretary,

if you're ready, we'll dive right in. Absolutely. So it's great to be back here with you,

but there's a lot going on in the world. You said in December we're living in perhaps one of the most, if not the most

dangerous periods in our modern American history. Why do you feel that way?

For the first time in our history, we face nuclear armed adversaries in both Europe and Asia.

When China finishes their strategic nuclear modernization,

China and Russia together will have nearly twice as many strategic nuclear warheads

deployed as we do.

We have never faced a country, at least since the British Empire, that had greater manufacturing

and industrial capacity than the United States.

We have not faced a country that was as technologically advanced as we are, ahead of us in a few areas, behind us in a few areas, pretty much

even with us and a few others.

So we face an adversary that is more powerful and has more non-military instruments of

power than any adversary face.

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