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...edu matthew.burtonkelly@gmail.com http://www.protichnoctem.com -------------------------------------------- "About thirty years ago there was much talk that geologists ought only to observe and not theorize; and I well remember someone saying that at this rate a man might as well go into a gravelpit and count the pebbles and describe the colors. How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service!" -Charles Darwin, in an 1861 letter to Henry Fawcett. [[alternative HTML version deleted]]