Barack Obama: “In 2013 alone, overdoses from prescription pain medications killed more than 16,000 Americans.”

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

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

The success of this experiment was never a given.

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.