We live today in a world densely populated by human beings living in close commu nication with one another all over the surface of the planet. Viewed from a certain distance it has the look of a single society, a community, the swarming of an intensely social species trying to figure out ways to become successfully independent. We obvi ously need, at this stage, to begin the construction of some sort of world civilization. The final worst-case for all of us has now become the destruction, by ourselves, of our species. I Although this warning is often repeated, we must not forget its paramount...