We're going to have to come together and take meaningful action to prevent more tragedies like this, regardless of the politics.

It was young people who stubbornly insisted on justice, stubbornly refused to accept the world as it is that transformed not just the country but transformed the world.

The United States was the first country to recognize Israel in 1948, minutes after its declaration of independence, and the deep bonds of friendship between the U.S. and Israel remain as strong and unshakeable as ever.

[About his marijuana use] I did. It's not something that I'm proud of. It was a mistake as a young man, but you know? I mean not going to -- I never understood that line. The point was to inhale. That was the point.

This kind of game in which anybody who I know, regardless of how flimsy the relationship is, that somehow their ideas could be attributed to me, I think the American people are smarter than that. They're not going to suggest somehow that that is reflective of my views, because it obviously isn't.

We [USA] don't have diplomatic leverage to eliminate every vestige of a peaceful nuclear program in Iran. What we do have the leverage to do is to make sure that they don't have a weapon.

This week I've travelled more than 15,000 miles from America to China to Burma to Australia. I have no idea what time it is right now.