It's this kind of wild unpredictability, megalomania, thin-skinned craziness that really has me worried, more than [Donald Trump] statements. Now, on the climate change there's just nothing to say, he's perfectly straightforward.

In the mid to late nineteenth century, the gun manufacturers recognized that they had a limited market. Remember that this is a capitalist society, you've got to expand your market. They were selling guns to the military. That's a pretty limited market. What about all the rest of the people? So what started was all kinds of fantastic stories about Wyatt Earp and the gunmen and the Wild West, how exciting it was to have these guys with guns defending themselves against all sorts of things.

Surely no rational or realistic person will discount the possibility that [during wartime] the United States might suddenly resort to nuclear weapons. Those who retain the instinct for survival, not to speak of minimal concern for their fellow man, will seek ways to act before rather than after the event.

The argument that resistance to the war should remain strictly nonviolent seems to me overwhelming.

The big change, the really radical change in communication, was in the late 19th century. The shift from sailing ships to telegraph is astronomical. Everything since then has been small increments, including the internet. So you don't have to wait for a letter to get to England in six weeks, you have almost instant communication. That was an enormous shift.

So yes in theory there is a kind of a formal democracy and in many ways these were achievements and an improvement over the feudal system and more advanced than anything else in the world, but nothing that we ought to call democracy.

U.S. analysts estimate that Russian military expenditures have tripled during the Bush-Putin years, in large measure a predicted reaction to the Bush administration's militancy and aggressiveness.