The walls between old allies on either side of the Atlantic cannot stand. The walls between the countries with the most and those with the least cannot stand. The walls between races and tribes; natives and immigrants; Christian and Muslim and Jew cannot stand. These now are the walls we must tear down. We know they have fallen before.

Get informed, not by reading The Huffington Post.

As president, I'm committed to making Washington work better and rebuilding the trust of the people who sent us here.

Lobbyist influence comes from access, not money.

As tough as things have been, I am convinced you are tougher. I've seen your passion and I've seen your service. I've seen you engage and I've seen you turn out in record numbers. I've heard your voices amplified by creativity and a digital fluency that those of us in older generations can barely comprehend. I've seen a generation eager, impatient even, to step into the rushing waters of history and change its course.

I'm a Christian by choice.

Now, the Iranian people are a great people, and Persian civilization is a great civilization. Iran has acted in ways that's not conducive to peace and prosperity in the region: their threats against Israel; their pursuit of a nuclear weapon which could potentially set off an arms race in the region that would make everybody less safe; their support of terrorist organizations in the past - none of these things have been helpful.