4 words describe corporate spending on keeping America's power lines humming -- too little, too late. Ivan Penn of the NY Times on utility CEOs' promises and reality in hurricane-hit Louisiana and in fire-ravaged California, while the isolated Texas power grid's struggle with winter cold and summer heat prove, you can't cure stupidity. Penn says scientific progress is outrunning technical capacity as the country tries to fit the power grid for use in a post-fossil fuel world.