Barack Obama: “I encourage all Americans to observe this solemn day of remembrance.”

We designed the center not to be some lifeless mausoleum.

I obviously have a room in his head.

I hope this center will serve as an affirmation of just how special, how precious our democracy truly is.

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…