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.

In Europe, where the terrorist threat is probably greatest at the moment, the amount of information-sharing that's been taking place, the effectiveness of law enforcement across borders gives us the ability to protect ourselves while still being true to the basic precepts of our liberal democracies. I hope that that continues, and it is something that I think we should be worried about.

The fear among economists across the political spectrum that was - was that we were rapidly plummeting towards a second Great Depression. So, in the weeks and months that followed, we undertook a series of difficult steps to prevent that outcome. And we were forced to take those steps largely without the help of an opposition party, which, unfortunately, after having presided over the decision-making that had led to the crisis, decided to hand it over to others to solve.

The best way to not feel hopeless is to get up and do something. Don’t wait for good things to happen to you. If you go out and make some good things happen, you will fill the world with hope, you will fill yourself with hope.

I've always wanted to come to Greece.

There is probably a perverse pride in my administration... that we were going to do the right thing, even if short-term it was unpopular. And I think anybody who's occupied this office has to remember that success is determined by an intersection in policy and politics and that you can't be neglecting of marketing and P.R. and public opinion.

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?