Barack Obama: “We cannot avoid bringing about change in our health care system.”

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.

We designed the center not to be some lifeless mausoleum.

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