To break our addiction to oil is one of the greatest challenges that our generation will have to master.

We're opposing Russia's aggression against Ukraine, which is a threat to the world, as we saw in the appalling shoot-down of MH17.

I don't believe people should to be able to own guns.

What is certainly true is that the American people, just like the German people, just like the British and people around the world, are seeing extraordinarily rapid change. The world is shrinking, the economies have become much more integrated and demographics are shifting.

You know, there are certain things that make for good sound bites but don't always translate into good policy.

We have concerns whenever we see people who have large stockpiles of weapons, or appear to be in the process of accumulating weapons and ammunition.

I think it's a healthy thing for the Democratic Party to go through some reflection.