When it comes to attracting business to California's eastern deserts, Inyo County is none too choosy. Since the 19th century the sparsely populated county has worked to attract industries shunned by others, including gold, tungsten and salt mining. The message: Your business may be messy, but if you plan to hire our residents, the welcome mat is out. So the county grew giddy last year as it began to consider hosting a huge, clean industry. BrightSource Energy, developer of the proposed $2.7-billion Hidden Hills solar power plant 230 miles northeast of Los Angeles, promised a bounty of jobs and a...