Abstract.The title question was raised by Philip Hefner in an editorial in the March 2007 issue of Zygon, and answered in various ways in sixteen guest editorials in the June, September, and December 2007 issues. In this article, after defining some pertinent concepts, I comment on these essays. I review critical statements made by the guest editorialists and survey their proposals for further dialogue topics. I conclude with my own views on the future of the dialogue and the role of (...) Zygon therein. (shrink)