I'm not so optimistic as to think that you would ever be able to garner a majority of an American Congress that would make those kinds of investments above and beyond the kinds of investments that could be made in a progressive program for lifting up all people.

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.

We will respond to the threat of climate change

My mother was the one constant in my life. When I think about my mom raising me alone when she was 20, and working and paying the bills, and, you know, trying to pursue your own dreams, I think is a feat that is unmatched.

Since I've been in the Senate, is that my work with people like Tom Coburn on opening up transparency in government, making sure that every dollar the federal government spends that's out there - that that's all posted on a searchable database on the Internet.

What I remember thinking at that point, having gone through both the ups and downs of my first four years, and seeing the sea of people was, "What a remarkable country this is and how lucky am I that we live in a place where the son of a single mom, not born into any kind of fame or fortune, in a pretty remote state somehow can end up be in a position to - to make a difference."

As a product of history and faith, Jewish Americans have helped to open our eyes to injustice, to people in need, and to the simple idea that we ought to recognize ourselves in the struggle of our fellow men and women.