Some of the other protest signs, he couldn’t help noticing, were on the theme of extinction: a fate that all humans were facing if we didn’t get a handle on climate change. So by the time Rufus finally got to the front door of the building where Dr. Rutledge worked, he was thoroughly confused. Did these kids hate humans because they were an invasive species that should be eradicated? Or did they love humans and not want them to become extinct? Imponderable questions, these, which perhaps college sophomores stayed up all night hashing out over pizza and beer while Rufus was out alone with a tripod and a rifle hunting a demon.