Barack Obama: “This is my last election, and after my election, I'll have more flexibility.”

It fortifies you to say that, yes, this has been part of the journey that we’re on.

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.

While we are non-partisan, we are not value-neutral. We have a point of view.

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.