What can realistically be done depends on the historical moment. The same is true with regard to the agents.

Our health care is rationed by wealth.

People will find some ways of identifying themselves, becoming associated with others, taking part in something. They're going to do it some way or other. If they don't have the options of participation in labor unions, political organizations that actually function, they'll find other ways. Religious fundamentalism is a classic example.

I don't think that the United States cares. They just assume that North Korea will soon have nuclear weapons.

The US is to an unusual extent a business-run society, where short-term concerns of profit and market share displace rational planning.

I've occasionally been asked to talk on Israel-Palestine. Sometimes it works, and sometimes it elicits hysteria in the community.

There is little doubt that a significant part of any serious solution will require advances of technology, but that can only be part of the solution. Other major changes are necessary.