Barack Obama: “Afghanistan has to be the central focus, the central front [in] our battle against terrorism.”

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

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

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

the American people want to find a way to turn towards each other again, not further away"