This is one fork in the intellectual road. It is the one that says humanity must change profoundly or be destroyed by its own creations. Even the proponents of this viewpoint acknowledge how difficult it will be for humankind to stop acting as it always has,* but they also maintain that we don’t have a choice. In essence, this view of the world represents a true test of our vaunted adaptability as a species. We either succeed or face nuclear Armageddon at some point in our collective future. The other intellectual fork in the road says that humankind will likely act as it always has, and that
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