Barack Obama: “No matter how many ads they run, no matter how many elections they try to buy, the power to determine the fate of this…”

There’s no doubt that we are going through a period right now of disruption, polarization.

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.

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…

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.