As a former attorney general. I have the greatest respect for the criminal justice system. But it is not good at intelligence gathering.

There is scientific evidence that demonstrates there is some impact from human activities. However I don't think the evidence is conclusive.

You can see the actions that the Russians are trying to take in eastern Ukraine. And so it's so important that we take actions to deter further Russian aggression against the Ukrainian people.

In Maidan Square right now, you see thousands of Ukrainians protesting the Russian occupation of Crimea. So this is a Russian protest by Ukrainians who want their sovereignty. They want their freedom and they're protesting what Russia did in Crimea.

The best way to marginalize the Muslim Brotherhood [in Egypt] is in the ballot box, not through arrests and killing people.

In the midst of our wars in Iraq and Afghanistan, Putin invaded the Republic of Georgia. Let's call it for what it is. Here is Vladimir Putin with a failing Soviet franchise. And when he can't win the hearts and minds of his neighboring nations, he uses energy extortion, masked gunmen and barbed wire.

When we have an effort made at sanctions involving many other nations it has a potential of greater impact on Russia and discouraging Putin.