The tech industry has shown a Trump-era command of Washington politics. But it's had a steeper learning curve mastering the rules that govern the U.S. electric grid.Google, OpenAI, Microsoft and other tech giants are racing to have their views heard in Washington on energy and data centers. | Justin Sullivan/AFP via Getty ImagesThe top U.S. energy regulator spoke bluntly to a room of industry executives at their biggest annual conference earlier this spring.Laura Swett, chairman of the Federal E...