California is run from a sort of Pacific Versailles, an isolated coastal compound of elite rulers physically cut off from its interior peasantry. To understand how California works — or rather does not work — drive over the I-5 Grapevine and gaze down at the brilliantly engineered artificial Pyramid Lake. Thanks to California water project deliveries, even in a third year of drought its level still fluctuates between 90 to 100% full — ensuring, along with its companion reservoirs, plentiful water for the Los Angeles-area municipalities for the next two years. The far distant watersheds and reservoirs that feed Pyramid...