Barack Obama: “That's going to be the key to our future.”

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

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

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.

Now the ball’s in your court, Iowa.