Barack Obama: “This agreement includes balanced and practical steps that will advance nonproliferation, nuclear disarmament, and…”

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.

We designed the center not to be some lifeless mausoleum.

helped lead some of the most significant movements for change in human history