Barack Obama: “Today, our scientists are mapping the human brain to unlock the answers to Alzheimer's.”

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

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…

Of course, we did not accomplish everything we set out to do. No administration does. Some of the exhibits reflect unfinished business, in some cases, my own shortcomings and mistakes, in some cases because - as a sign I kept on the…

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