About $3trn will go into AI data centres globally over the next four years, according to one estimate. Much of that is earmarked for America, where people of all political stripes are furious about it. Opposition to the ugly infrastructure is shaping elections and threatening the AI boom. Read our story on the backlash, reported from the emerging “Silicon Heartland”.

Over in New York, Tuesday night was a good one for Zohran Mamdani. All three congressional candidates backed by the leftist mayor won their Democratic primary races. Last week our Lexington columnist wrote about Mr Mamdani’s gamble to install allies in Congress, and the issues animating the campaigns.

And for the first time, we’re making an article in this newsletter free to non-subscribers of The Economist. Today’s is our Well Informed column sorting through the claims about benefits and drawbacks around fortified baby formula. Enjoy.