I believe that climate change is the great global crisis that we face, environmental crisis. I believe that if you're serious about climate change, you don't encourage the excavation and transportation of very dirty oil.

I have been in the Democratic Caucus in the Senate for over 24 years.

When you have kids that have no jobs and are not in school, too often they get themselves into trouble. So what we have got to do is invest in education and in jobs, something which I have fought for, rather than more jails and incarceration.

So what I have said with regard to Boeing and GE and other multinationals that pay zero taxes, you know what we're going to do? We're going to end that loophole. They are going to pay their fair share of taxes.

There is something fundamentally wrong about the way we [americans] are moving as a country, when billionaires are able to buy elections as a result of Citizens United. There`s something fundamentally wrong when 99 percent of all new income goes to the top 1 percent.

I think you have an enormous amount of fear and uncertainty in this country. And it`s not just from San Bernardino or from Paris.

The Cuban economy is a disaster. No, I do not praise Fidel Castro.