Barack Obama: “There will be costs for any military intervention in Ukraine.”

I was a little tall for it.

Now the ball’s in your court, Iowa.

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…

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.