If you give up on politics, you're giving up on democracy. And if you give up on democracy, you're basically saying to the moneyed interests, the powerful people and institutions of society, take it all. That's a self-fulfilling prophecy. Then we give up. Then we are 100 percent plutocracy.

As to the meaning of "corporate social responsibility," Friedman and I would agree: If a certain action improves the corporation's bottom line, there's no point in labeling it "socially responsible." It's just good business.

One thing I've learned from 35 years in the classroom is that people learn best when they are laughing, when they are emotionally hit, that it's both the brain and the heart.

Liberals are concerned about the concentration of wealth because it almost inevitably leads to a concentration of power that undermines democracy.

I don't think that our problem, our jobs problem, is fundamentally a problem of trade. I think it has much more to do with the fact that we have not sufficiently educated our population. We have not got out of this great recession with adequate stimulus and adequate fiscal and monetary policies over all.

The intellectual equipment needed for the job of the future is an ability to define problems, quickly assimilate relevant data, conceptualize and reorganize the information, make deductive and inductive leaps with it, ask hard questions about it, discuss findings with colleagues, work collaboratively to find solutions and then convince others.

The core principle is that we want an economy that works for everyone, not just for a small elite. We want equal opportunity, not equality of outcome. We want to make sure that there's upward mobility again, in our society and in our economy.