Southern California soon will begin sending sewage sludge into western Kings County -- up to 500,000 tons a year to a piece of farmland the size of Clovis. It's the San Joaquin Valley's newest mega-composting project, mixing treated human waste from 5.7 million people and woody debris from area farming. The compost will be used as soil nutrient on scrubby land at Westlake Farms to help grow cotton, wheat, pomegranates, pistachios and other crops. But make no mistake about this enterprise. The Sanitation Districts of Los Angeles County -- serving 78 cities, including Long Beach and Beverly Hills -- bought...