Former House Speaker Newt Gingrich‘s hobby, he says, is studying “dinosaurs and other fossils.” He openly mourned the death of Knut the polar bear.Gingrich believes it is a “false dichotomy” to group policies according to whether they deal with the country’s economic problems or protect the environment. Instead, he thinks government can incentivize the production of new energy technologies, which would consequently help the environment and the economy by making the country less dependent on foreign oil. And he is not short on ideas of how to do it. “One generation’s science fiction is the next generation’s practical reality,” wrote...