I am convinced that whenever we exaggerate or demonize, oversimplify or overstate our case, we lose. Whenever we dumb down the political debate, we lose. For it's precisely the pursuit of ideological purity, the rigid orthodoxy and the sheer predictability of our current political debate, that keeps us from finding new ways to meet the challenges we face.

Don't be afraid to ask questions. Don't be afraid to ask for help when you need it. I do that every day. Asking for help isn't a sign of weakness, it's a sign of strength. It shows you have the courage to admit when you don't know something, and to learn something new.

My particular worries on any given day - how I'm doing in the polls or what somebody is saying about me... for good or for ill - isn't particularly relevant. What is relevant is: What am I building that lasts?

The alternative, no limits on Iran's nuclear program, no inspections, an Iran that's closer to a nuclear weapon, the risk of regional nuclear arms race, and the greater risk of war - all that would endanger our [American] security.

We don't turn back. We leave no one behind. We pull each other up. We draw strength from our victories, and we learn from our mistakes, but we keep our eyes fixed on that distant horizon, but we keep our eyes fixed on that distant horizon, knowing that Providence is with us, and that we are surely blessed to be citizens of the greatest nation on Earth.

I do love the Waldorf-Astoria, though. You know, I hear that from the doorstep you can see all the way to the Russian tea room.

As the wealthiest nation on Earth, I believe the United States has a moral obligation to lead the fight against hunger and malnutrition, and to partner with others.