One thing I will not compromise over is whether or not Congress should pay the tab for a bill they've already racked up. If Congress refuses to give the United States the ability to pay its bills on time, the consequences for the entire global economy could be catastrophic.

The challenges posed by threats like terrorism, proliferation, and cyber attacks are not going away any time soon, and for our intelligence community to be effective over the long haul, we must maintain the trust of the American people and people around the world.

When you look at what [new generation] believe in, how they value diversity, how they believe in science, how they care about the environment, how they believe in, you know, everybody getting a fair shot, how they believe in not discriminating against people for sexual orientation and you know, their belief that we have to work with other countries to create a more peaceful world and to alleviate poverty, that's the majority an entire generation that's coming up behind us.

I think it's important to recognize that you can't have 100 per cent security and also then have 100 per cent privacy and zero inconvenience.... In the abstract you can complain about Big Brother and how this is a potential program run amok, but when you actually look at the details then I think we've struck the right balance.

After a breakthrough year for America, our economy is growing and creating jobs at the fastest pace since 1999.

I can document this past week [of presidency] we've put out memos from every agency showing what did we do. Try to be as honest as possible. There's a little hype involved obviously. It's spin because it's our agencies. We feel some pride about it. But tried to be self-critical as well.

I think the Greek people, although it is difficult and challenging and the politics of it I know are not good, should appreciate the fact that in this global economy, the Greek economy was going to have to go through some structural reforms.