Krugman's defense of public ownership is too limited.

The median S&P 500 company has over $800 million in surplus cash.

Monopoly and wealth inequality are somewhat different things.

Norway's government has a net worth equal to 350 percent of its GDP.

Build the welfare state, the unions, and state ownership.

The idea is a good start but could be greatly improved.

The American Solidarity Fund's taxes would work out fine.

The climate change debate contains some silliness.

Sweden's experience provides hope for the social wealth fund idea.

Some of the arguments are good while others are quite bad.