FILE – Shelves typically stocked with baby formula sit mostly empty at a store in San Antonio, Tuesday, May 10, 2022. A massive baby formula recall, combined with COVID-related supply chain problems, is getting most of the blame for the shortage that’s causing distress for many parents across the U.S. But the nation’s formula supply has long been vulnerable to this type of crisis, experts say, due to decades-old rules and policies that have allowed a handful of companies to corner nearly the entire U.S. market. (AP Photo/Eric Gay, File)