Barack Obama: “I'm grateful to Jade for her introduction and congratulate you on being crowned Miss Xavier.”

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.

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

That was fantastic. I was a little tall for it.

helped lead some of the most significant movements for change in human history