SAN FRANCISCO - Citing the need for jobs, the state Public Utilities Commission decided Thursday to let PG&E and Southern California Edison offer 25 percent electricity rate discounts to persuade employers to stay or expand in California or move here. Job losses are "a hidden tax on every Californian," said PUC member Susan Kennedy, who sponsored the discount proposal aimed especially at light manufacturers, steel and plastic makers, food processors and cement producers.The panel voted unanimously to overturn an administrative law judge's decision that termed the discounts "an attractive lure that will draw free riders" and cause a multimillion-dollar revenue...