Let me be absolutely clear: Iran is a grave threat. - Barack Obama

Now, I don't know, not having been there and not seeing all the facts, what role race played in that. But I think it's fair to say, number one, any of us would be pretty angry; number two, that the Cambridge police acted stupidly in arresting somebody when there was already proof that they were in their own home; and, number three, what I think we know separate and apart from this incident is that there's a long history in this country of African-Americans and Latinos being stopped by law enforcement disproportionately. That's just a fact.

We know the battle ahead will be long, but always remember that no matter what obstacles stand in our way, nothing can stand in the way of the power of millions of voices calling for change.

We have been told we cannot do this by a chorus of cynics...they will only grow louder and more dissonant ........... We've been asked to pause for a reality check. We've been warned against offering the people of this nation false hope.

But in the unlikely story that is America, there has never been anything false about hope.

More than a building that houses books and data, the library has always been a window to a larger world — a place where we've always come to discover big ideas and profound concepts that help move the American story forward. . . . .

Libraries remind us that truth isn't about who yells the loudest, but who has the right information. Because even as we're the most religious of people, America's innovative genius has always been preserved because we also have a deep faith in facts.

And so the moment we persuade a child, any child, to cross that threshold into a library, we've changed their lives forever, and for the better. This is an enormous force for good.