Here is what the practical impact of Citizens United means. What Citizens United means is that corporations call hundreds of millions of dollars into television ads, radio ads, and other forms of advertising to defeat those candidates who stand up and take them on.

I have taken on virtually every element of the big money establishment, whether it's the Koch brothers, and the big energy companies, whether it's the industrial complex, whether it's Wall Street... I have taken on the drug companies. I have taken on the insurance companies.

I am sure that there are some single payer advocates who think the only thing worth fighting for is single payer.

Don't stay in one place for eight or nine hours.

It is a public financing system that everybody knows is antiquated. It no longer works. Nobody can become president based on that system.

On many, many issues, Hillary Clinton's views are progressive. In many areas, they are awesome. Where they're not progressive, we've got to push her, and the day after the election, I will mobilize millions of people to make sure that we make her the most progressive president that she can be.

We have organizations, whether it is ISIS or Al Qaida, who do believe we should go back several thousand years. We should make women third-class citizens, that we should allow children to be sexually assaulted. They are a danger to modern society.