I'm not running like Colonel [Bernie] Sanders. All reputations matter.

The caliphate will have been dismantled. It will still be a problem, but that has been our focus because that is the greatest existential threat to U.S. interests.

I am not a theologian, nor am I a priest or a minister, but I think building walls is fundamentally contrary to what made this country what it is. We're a pluralistic society in its functions.

For 70 years there's been a consensus among scholars and the American people on a reading to the Constitution that protects the right of privacy, the autonomy of individuals, while at the same time empowering the federal government to protect the less powerful.

The American public's a lot more sophisticated than we all give them credit for. And on complicated issues, I'm going to give them straight answers. And if it takes more than three minutes, I'm going to do it.

Judge [Samuel Alito], there's a genuine struggle going on well beyond you, well beyond the Congress, in America about how to read the Constitution.

I think it is very possible he [Donald Trump] could be nominated and depending on how this all plays out, I would take him seriously in terms of being able to win because he's appealing to a very, very - he's appealing to fear.