As you drive "over the hill" from the Valley to Hollywood along Laurel Canyon Blvd., there's a sign there asking for donations to save some plots of land from development. No, it isn't a citizens' group or a non-profit for wilderness, it's a government agency. "Donated funds needed immediately to save these six acres under option by part agency," it reads. In a cash-strapped time for governments, the Mountains Recreation and Conservation Authority is asking......