In the wake of the mass shooting at the Walmart in El Paso, chief executive officer Doug McMillon called for an assault weapons ban to be debated by Congress and said he’s encouraged by growing support for gun-control measures like background checks. America’s largest retailer has found itself increasingly wading into political debates, at times risking the ire of loyal customers. For the first time, Walmart disclosed that it accounts for about 2% of the U.S. firearms market, which would place it outside the top three sellers. In ammunition, the chain maintains a 20% share. “We believe the reauthorization of the assault weapons ban should be debated to determine its effectiveness in keeping weapons made for war out of the hands of mass murderers,” McMillon said as part of his written commentary on the company earnings. “We must also do more to understand the root causes that lead to this type of violent behavior.” Read more at Dallas News.