The Bay Area is typically known as an incubator of left-of-center ideas. But in recent years, it has become known as the source of an ideology influencing the Trump administration, a belief system journalist Gil Duran describes as “tech facism.” In his newsletter “The Nerd Reich,” Duran looks at how controversial writers such as Curtis Yarvin—who has argued that the United States should be a “monarchy” run by a “CEO”—have shaped the views of some of Trump’s top advisors,...