Shoppers in the groceries section of a Sam’s Club store in Brandon, Fla., on May 27, 2026. U.S. inflation accelerated for a third-straight month in May amid a stalemate in negotiations to end the war with Iran, adding to the price pressures confronting consumers. (Zack Wittman/The New York Times) By LYDIA DePILLIS Inflation accelerated for a third straight month in May amid a stalemate in negotiations to end a war with Iran that has pushed up energy prices, adding to the burden on already…
