My thanks to Etienne Borgers and Bill Hagen for their challenging and stimulating responses to my comments. I appreciate the feedback and look forward to continuing intellectual debate. Rara-Avis is even more a treasure than the statue of the black bird would ever have been. David Skene-Melvin - # RARA-AVIS: To unsubscribe, say "unsubscribe rara-avis" # to majordomo@icomm.ca