Barack Obama: “I like him, in doses.”

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

We designed the center not to be some lifeless mausoleum.

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.

This idea that any suggestion or criticism that America was anything other than perfect is unpatriotic... is a suggestion that you hate your country.