Even when you go up ramp, and you think about [Franklin D. Roosevelt] wheeling himself up, you know, got a little cigarette holder in his mouth, and it, that, that awe that you feel, that reverence that you feel for the place never entirely leaves.

In a global economy where our economies and supply chains are deeply integrated, it's not even possible.

We're up against the conventional thinking that says your ability to lead as president comes from longevity in Washington or proximity to the White House. But we know that real leadership is about candor and judgment and the ability to rally Americans from all walks of life around a common purpose, a higher purpose.

The true test of the American ideal is whether we're able to recognize our failings and then rise together to meet the challenges of our time. Whether we allow ourselves to be shaped by events and history, or whether we act to shape them. Whether chance of birth or circumstance decides life's big winners and losers, or whether we build a community where, at the very least, everyone has a chance to work hard, get ahead, and reach their dreams.

What we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return

It would be naive of me to suggest that with Russia committed militarily, as it is, to supporting what in many cases are barbarous tactics by the Assad regime to crush the opposition.

We've got a tax code that is encouraging flight of jobs and outsourcing. And that's why we've specifically recommended in this campaign that Congress change our tax code so that we stop giving tax breaks to companies that are moving to Mexico and China and other places, and start putting those tax breaks into companies that are investing here in the United States.