dhw: You have already said my hypothesis strains your credulity, and I have agreed that it strains my credulity as much as your two alternatives: the divine computer programme and the divine dabble. 2 + 1 credulity-straining hypotheses = 3 credulity-straining hypotheses. (Even you have to resort to irrational faith before you commit yourself.) > > The picket fence is the result of the fact that for me NO explanation is convincing enough to justify a leap of faith. Of course I remain open-minded, but I do not see that as something negative.-Not enough strain to hop off the fence. Your open-mindedness is fully understood.