If we have Osama bin Laden in our sights and the Pakistani government is unable or unwilling to take them out, then, I think that we have to act and we will take them out. We will kill bin Laden. We will crush al Qaeda. That has to be our biggest national security priority.

On every front there are clear answers out there that can make this country stronger, but we're going to break through the fear and the frustration people are feeling. Our job is to make sure that even as we make progress, that we are also giving people a sense of hope and vision for the future.

Time is running out for Iran to address the international community's growing concerns about its nuclear program.

Our founders made it extraordinarily difficult to amend the Constitution.

Democracy is hard work.

There is enormous continuity beneath the day-to-day news that makes America that indispensable nation when it comes to maintaining order and promoting prosperity around the world.

I do want to once again speak directly to the Iranian people. Yours is a great civilization with a vibrant culture that has so much to contribute to the world - in commerce and in science and in arts. For decades, your government's threats and actions to destabilize your region have isolated Iran from much of the world, and now our governments are talking with one another. Following the nuclear deal, you, especially young Iranians, have the opportunity to begin building new ties with the world.