The young are going to be the messengers of this continued strengthening of the diversity in America.

He described to me how crocodiles kill more people than sharks. There are just a lot of things in Australia that can kill you.

We can't get to the $4 trillion in savings that we need by just cutting the 12 percent of the budget that pays for things like medical research and education funding and food inspectors and the weather service. And we can't just do it by making seniors pay more for Medicare.

To me the question right now is: How do I close that first three-quarters of the achievement gap, education gap, wealth gap? What gives me the best chance to do that? And I'm pretty darn sure that if America is a just society and treating people well right now, irrespective of past wrongs, that I'm going to close a big chunk of that gap. I've seen it.

We have a choice. We can shape our future, or let events shape it for us. And if we want to succeed, we can't fall back on the stale debates and old divides that won't move us forward.

Evil does exist in the world. A non-violent movement could not have halted Hitler's armies. Negotiations cannot convince al Qaeda's leaders to lay down their arms. To say that force may sometimes be necessary is not a call to cynicism - it is a recognition of history; the imperfections of man and the limits of reason.

The most powerful political moments for me come when I feel like my actions are aligned with a certain truth. I can feel it. When I'm talking to a group and I'm saying something truthful, I can feel a power that comes out of those statements that is different than when I'm just being glib or clever.