This addiction is one of the most dangerous and urgent threats this nation has ever faced.

Breaking our oil addiction is one of the greatest challenges our generation will ever face.

Our competitiveness as a nation suffers.

The American dream isn't something that happens to you - it's something you strive for and work for and seize with your own two hands.

Our march is a march for America.

We can spend some of that money right here in America, in cities all across this country.

If we want to create jobs, we should do more to make work pay for ordinary Americans, not boost the profits of oil companies.

Well, I think that if he was -- if he was captured alive, then we would make a decision to bring the full weight of not only U.S. justice, but world justice down on him.

I supported investments already in alternative energy. And Senator McCain has opposed them. As president, I'm going to invest in renewable energies like wind power and solar power and bio-fuel. That's how America is going to free itself…

Senator McCain, unfortunately, doesn't seem to see the problem. He surveyed the Bush economic record and he said that we had quote-unquote 'made great progress with the economy.'

Well, I think that, if he was -- if he was captured alive, then we would make a decision to bring the whole weight of not only U.S. justice, but world justice down on him.