The latest effort by tech titans to create their own “technotopia” doesn’t bode well for cities old or new. : Tech leaders are fed up with cities and their politics. So they want to start over. And that doesn’t bode well for cities old or new. We recently learned that the mysterious company gobbling up land in Solano County, Calif., is funded by venture capitalists including Marc Andreessen, Reid Hoffman and Steve Jobs’s widow, Laurene Powell Jobs. Their goal: build a new city from scratch.