The development of space technology, including space warfare today, is similar in its technological-industrial significance to the development of navies a hundred years ago.

The death penalty can be tolerated only by extreme statist reactionaries who demand a state that is so powerful that it has the right to kill.

Clinton, Kennedy, they all carried out mass murder, but they didn't think that that was what they were doing - nor does Bush. You know, they were defending justice and democracy from greater evils.

If we don't believe in free expression for people we despise, we don't believe in it at all.

The dangers of unexamined and unregulated monopoly power, particularly in the state executive, are hardly news. The right reaction is not passive acquiescence.

I don't even know if I ever knew - some sweatshop in Baltimore. I knew with my other relatives - some of the women were in the International Ladies' Garment Workers' Union and men were shop boys and things like that. I happened to be in Philadelphia, but the family was in New York. I could see what the union was doing for them.It really saved their lives.

As for geoengineering, there have been serious general critiques that I think cannot be ignored, like Clive Hamilton's, along with many positive assessments. It is not a matter for subjective judgment based on guesswork and intuition. Rather, these are matters that have to be considered seriously, relying on the best scientific understanding available, without abandoning sensible precautionary principles.