American politics is always somewhat fluid. In this age of social media, it means that voters can swing back and forth.

Climate change poses a direct threat to the infrastructure of America that we need to stay competitive in this 21st-century economy.

When George Bush came into office, we had surpluses. And now we have half-a-trillion-dollar deficit annually. When George Bush came into office, our national debt was around $5 trillion. It's now over $10 trillion. We've almost doubled it.

What used to be racial segregation now mirrors itself in class segregation, this great sorting (has) taken place. It creates its own politics. There are some communities where not only do I not know poor people, I don't even know people who have trouble paying the bills at the end of the month. I just don't know those people. And so there's less sense of investment in those children.

There have been periods where the folks who were already here suddenly say, 'Well, I don't want those folks,' even though the only people who have the right to say that are some Native Americans.

I have said repeatedly that I intend to close Guantanamo, and I will follow through on that. I have said repeatedly that America doesn't torture. And I'm gonna make sure that we don't torture. Those are part and parcel of an effort to regain America's moral stature in the world.

I am confident that Assad's days are numbered. But what we can't do is to simply suggest that, as Governor Romney at times has suggested, that giving heavy weapons, for example, to the Syrian opposition is a simple proposition that would lead us to be safer over the long term.