We didn't push the Russians to intervene, but we knowingly increased the probability that they would.

Hard power makes sense under some circumstances. But there's not a universal solution to global problems. A major country like the United States has to have a broadly-conceived program for effective international action, influence and cooperation with others.

I think if NATO haven't expanded, we would have a no-man's zone between the E.U. and NATO and Russia, and that would be very dangerous.

One has to understand what the enemy is all about: the enemy's history, the enemy's culture, the enemy's aspirations. If you understand these well, you can perhaps move towards peace.

Sovereignty is a word that is used often but it has really no specific meaning. Sovereignty today is nominal. Any number of countries that are sovereign are sovereign only nominally and relatively.

Look at Islam in a rational manner and without demagoguery or emotion. It is the leading religion of the world with 1.5 billion followers.

We didn't push the Russians to intervene, but we knowingly increased the probability that they would.