Barack Obama: “Each time Russia takes these kinds of steps that are designed to destabilize Ukraine and violate their sovereignty, that…”

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

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

And there’s no reason to suggest that we can’t get through this one either.

The success of this experiment was never a given.