Barack Obama: “America has always been about discovery and invention and engineering and science and evidence.”

I am very happy to see a ceasefire. And I’m hopeful that it holds.

In forming our union, the founders fell terribly short of the Declaration's promise, leaving slavery intact, allowing states to restrict the franchise to white men who owned property.

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…

And there’s no reason to suggest that we can’t get through this one either.