CALIFORNIA CRISIS HURTS BUSINESSES AND IDLES WORKERS
Power crisis begins to take toll on businesses, workers and consumers across California, costing state estimated $1.7 billion in lost wages, sales and productivity in last week alone; examples include layoffs at Miller brewery and California Steel Industries, largest steel plant on West Coast, and Valero Energy's inability to ship fuel because blackouts have shut down its pipelines; photo; executives warn lawmakers to resolve crisis or watch buoyant California economy run aground (M)