Barack Obama: “It's their hard work and sacrifice: the countless hours in the gym, in the pool, on the track.”

That was fantastic. I was a little tall for it.

I obviously have a room in his head.

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…