Barack Obama: “The determination and sacrifice of the Yemeni people in the struggle for their universal rights has been inspiring.”

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.

That's what I hope every visitor to this center takes away from their experience.

While we are non-partisan, we are not value-neutral. We have a point of view.

We’ve now fought a war, spent billions and billions of dollars, you know, put enormous strain on our military. A lot of people have died. And it feels like we’re back where we were before we started the war, except maybe a little bit worse…