Barack Obama: “In the end, that is not only our responsibility as Americans, it is our obligation as stewards of God's Earth.”

I hope this center will serve as an affirmation of just how special, how precious our democracy truly is.

I was a little tall for it.

Listen, hypocrisy is progress.

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.