Abstract

I wish to thank both Dr. Eagle and Dr. Thompson for their thoughtful and thought-provoking commentaries on my paper. I address some of the concerns they brought up in this response. When I began to write this paper, my first thoughts were to the effect of “How does one write a relatively brief article about a topic on which I’ve already devoted a rather lengthy book?” What do I include? And what do I leave out? Although the latter of these questions left me dealing with many feelings of ‘existential guilt’ about leaving out ideas I think are important, the former took guidance from the stated purpose of this special issue to address a broad and interdisciplinary audience on the question of what..