Perversity, she thought. Could that have been what happened to the human race - a willing perversity that set at naught all human values which had been so hardly won and structured in the light of reason for a span of more than a million years? Could the human race, quite out of hand and with no sufficient reason, have turned its back upon everything that had built humanity? Or was it, perhaps, no more than second childhood, a shifting of the burden off one's shoulders and going back to the selfishness of the child who romped and frolicked without thought of consequence or liability?