And I believe the nation that invented the automobile cannot walk away from it.

It [the Constitution] didn't break free from the essential constraints that were placed by the founding fathers in the Constitution, at least as it's been interpreted, and the Warren court interpreted it in the same way that generally the Constitution is a charter of negative liberties. It says what the states can't do to you, it says what the federal government can't do to you, but it doesn't say what the federal government or the state government must do on your behalf. And that hasn't shifted.

I do think that all politicians today have to be more attentive to people wanting to be heard, wanting to have more control over their lives.

If we can't meet with our friends, I don't know how we're going to lead the world in terms of dealing with critical issues like terrorism.

No other advanced nation endures this kind of violence. None. Here in America, the murder rate is three times what it is in other developed nations. The murder rate with guns is ten times what it is in other developed nations. And there's nothing inevitable about it. It comes about because of decisions we make or fail to make. And it falls upon us to make it different.

Ten thousand people died, an entire town destroyed.

America's not just [about] looking out for yourself, it's not just about greed, it's not just about trying to climb to the very top and keep everybody else down. ... Hard work, that's a value. Looking out for one another, that's a value. The idea that we're all in it together and [that] I'm my brother's keeper and [my] sister's keeper, that's a value.