Barack Obama: “Each time this happens, I am going to say that we can actually do something about it, but we're going to have to change…”

I was a little tall for it.

The success of this experiment was never a given.

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

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…