The presidency is probably the loneliest office in America. Regardless of your friends, regardless of how good your marriage is, regardless of anything, you are alone there at the top.

The poverty line understates the true amount of poverty because it measures it as three times the breadbasket that a family needs, but it doesn't consider all the other things that are inflating far, far faster than food prices.

It is a myth that higher taxes lead to less demand and slower growth. In the first three decades after World War II, US top tax rates on the wealthy were never below 70 percent.

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

Inequality is bad for everyone, not just the middle class and the poor.

We're now moving toward a radically different economy. You absolutely can't have a distribution oligopoly. The new oligopolies - and I think there will be new oligopolies - will be oligopolies of trustworthiness. Microsoft, Amazon, Schwab, and other brands will dominate psychic space, not shelf space.

Our moral authority is as important, if not more important, than our troop strength or our high-tech weapons. We are rapidly losing that moral authority, not only in the Arab world but all over the world.