Barack Obama: “The free market is the greatest force for economic progress the world has ever known.”

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.

helped lead some of the most significant movements for change in human history

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

Your task is not to impose litmus tests.