Barack Obama: “NASA's engineering teams and scientific teams are doing great work.”

There will be no kings

I hope this center will serve as an affirmation of just how special, how precious our democracy truly is.

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

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.