P.M. Edition for June 6. The country\u2019s aging power grid is due for a burst of new power and electricity demand driven by electric vehicles and new data centers for artificial-intelligence technology. Climate and energy reporter Scott Patterson discusses the White House\u2019s plan to modernize it. And Keith Gill\u2014the meme-stock influencer known as Roaring Kitty\u2014single-handedly moved GameStop\u2019s stock higher. But did he manipulate the market? Alexander Osipovich explains. Plus, business of social media reporter Salvador Rodriguez on Meta\u2019s move to allow businesses on WhatsApp to use free artificial intelligence chatbots. Pierre Bienaim\xe9 hosts.\n\nSign up for the WSJ's free What's News newsletter.\xa0\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices