Barack Obama: “Jack was by my side as we confronted our Nation's toughest challenges.”

In forming our union, the founders fell terribly short of the Declaration's promise, leaving slavery intact, allowing states to restrict the franchise to white men who owned property.

Now the ball’s in your court, Iowa.

We designed the center not to be some lifeless mausoleum.

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.