Well, we're [USA] not looking for an ally; what we're looking for is a stable, democratic government that is not beholden to anyone in the region and is able to be secure within its own borders and have its own policy.

A lot of people criticized me for speaking out, not long ago, about gay marriage. I could not remain silent any longer. It's the civil rights of our day. It's the issue of our day.

One role of government is to go where venture capital won't.

We spent $100 billion on education, saving the education system 300,000 teachers who were laid off because of the recession. We also put tens of thousands of lower income kids in college through Pell grants which has fundamentally all their opportunity. We did the same thing with regard to what we did on transportation. So we weren't just trying to - we knew we had to do something big to keep us from going over the cliff into a depression and pull us out of hole.

I was in sit-ins to desegregate restaurants and movie houses in the '60s.

There's about 100 different cancers in a cancer cell. And so what we're finding out is, they're finding out ways to deal with one or two of the cancers there, with certain medicines. But they don't know why, if you have that cancer and I have that cancer, and I get the therapy and you get it, I don't live and you live. That - they don't know why.

You know whether you have a real relationship with the president when you know it's real.