Mon, 09/25/2023 - 23:35 Tech Insider A stealth campaign by Silicon Valley elites with a dream of turning a swath of California farmland into a new age city has ranchers who live here challenging their tactics as well as their motives.JOSH EDELSON Tags Real Estate, Tech Insider, News, silicon-valley, insider-news, san-francisco, san-francisco-bay-area, city Source The Silicon Valley investors who secretly bought up $800 million in Northern Ca…