Barack Obama: “We cannot be afraid of the future, and we can't be prisoners of the past.”

And there’s no reason to suggest that we can’t get through this one either.

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.

Your task is not to impose litmus tests.

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.