Barack Obama: “We may be able to deescalate over the next several days and weeks, but it's a serious situation.”

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…

The success of this experiment was never a given.

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.

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.