upermarket and pharmacy chains across the U.S. have begun asking customers to not openly carry firearms in their stores, including in states where . It’s a trend that appears to have been sparked by Walmart, whose on Tuesday following a around the country — including in which 22 were killed at a Walmart store in El Paso, Tex. McMillon announced on Tuesday that Walmart would stop selling handguns and military-style rifles. In the same statement, he requested that customers no longer openly carry firearms into Walmart stores. Several other chains have followed suit. As of Friday, , CVS,...…upermarket and pharmacy chains across the U.S. have begun asking customers to not openly carry firearms in their stores, including in states where . It’s a trend that appears to have been sparked by Walmart, whose on Tuesday following a around the country — including in which 22 were killed at a Walmart store in El Paso, Tex. McMillon announced on Tuesday that Walmart would stop selling handguns and military-style rifles. In the same statement, he requested that customers no longer openly carry firearms into Walmart stores. Several other chains have followed suit. As of Friday, , CVS,...WW…