Barack Obama: “I'm going to do everything I can to support those efforts.”

Now the ball’s in your court, Iowa.

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

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…

That's what I hope every visitor to this center takes away from their experience.