What a vindication of the belief that ordinary people can do extraordinary things, what a reminder of what Bobby Kennedy once said, about how small actions can be like pebbles being thrown into a still lake, and ripples of hope cascade outwards and change the world.

We reward people a lot for being rich, for being famous, for being cute, for being thin... one of the values I think we need to instill in our country, in our children, is a sense of 'usefulness', in other words, are we useful, are we making other peoples' lives a little bit better?

When it comes to the budget, we know that we shouldn't be cutting more on core investments, like education, that are going to help us grow in the future. And we've already seen the deficit cut in half. It's going down faster than any time in the last 60 years. So why would we make more cuts in education, more cuts in basic research? Nobody thinks that's a good idea.

Over more than a decade, Iran had moved ahead with its nuclear program. And before the deal, it had installed nearly 20,000 centrifuges that could enrich uranium for a nuclear bomb.

The success of our economy has always depended not just on the size of our gross domestic product, but on the reach of our prosperity; on the ability to extend opportunity to every willing heart - not out of charity, but because it is the surest route to our common good.

What is true, though, is now we've got a bunch of videos that whatever side of the issue you're on, raises the temperature on these issues and makes people really focused .

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.