Barack Obama: “We have the possibility of achieving an AIDS-free generation.”

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

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.

I obviously have a room in his head.

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