from the point of view of those affected, the change is sudden and inexplicable. It happens without apparent cause or reason. There is nothing to be done about it. It just is. And we have to deal with it, or not. In this respect we are no different than the dinosaurs who looked up in the sky sixty-five million years ago and saw the meteor bearing down on them. What we might think or believe or hope is immaterial to the unfathomable reality of what it is that is above us.”
