Barack Obama: “Today, it falls on us to honor their legacy by taking our place in their march and doing our part to perfect the Union…”

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

a belief that our military and law enforcement owe allegiance not to any president or political party, but to the people and our constitution … a belief in the peaceful transfer of power

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

She knew she was going to mess me up, and she did it anyway."