Ironically, the single thing that has strengthened Iran over the last several years has been the war in Iraq. Iraq was Iran's mortal enemy. That was cleared away. And what we've seen over the last several years is Iran's influence grow. They have funded Hezbollah, they have funded Hamas, they have gone from zero centrifuges to 4,000 centrifuges to develop a nuclear weapon.

American leadership is not simply a matter of going it alone and bearing all of the burden ourselves.

If Iran does not take steps in the near future to live up to its obligations, then the United States will not continue to negotiate indefinitely... Our patience is not unlimited.

Jobs was brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it.

We will respond to the threat of climate change

Since I'm the president and Democrats have controlled the House and the Senate, it's understandable that people are saying, you know, 'What have you done?'

If you've got a business, you didn't build that. Somebody else made that happen.