The old rules may say we can’t protect our environment and promote economic growth at the same time, but in America, we’ve always used new technologies - we’ve used science; we’ve used research and development and discovery to make the old rules obsolete.

The United States of America has helped underwrite the global security for more than six decades with the blood of our citizens and the strength of our arms. The service and sacrifice of our men and women in uniform has promoted peace and prosperity from Germany to Korea and enabled democracy to take hold in places like the Balkans.

I want every young man who sees me to know that I'm not that different from them. I wasn't born into wealth. I wasn't born into fame. I made a lot of mistakes - but I kept at it.

But the basic principle that we’re going to have to see some of this debt written down, that the government is going to have to support some banks, that others that are not viable, essentially that we’re going to have to do something with those assets.

You have to have a strong team around you [being a president].

In order to make reforms sustainable, the Greek economy needs the space to return to growth and start creating jobs again.

I've just concluded that for me personally it is important for me to go ahead and affirm that I think same-sex couples should be able to get married.