I think I've gotten so used to thinking about trade as something that humans do, and because I associate trade so closely with capitalism, I have a hard time pulling back and imagining a world that is not capitalism with various levels of hindrance by governments.

Even communism is just capitalism being suppressed.

Anyhow, I'm sure I'll learn a lot following a long and am very pleased to see you undertaking this (almost to the point where I might buy the book).