Walmart’s CEO Doug McMillon believes the virtual reality training his company has invested in helped save lives in the El Paso, Texas shooting. "I've done [the training] myself. And there's something about doing that through VR that helps you, in some ways, live the experience and understand the steps that you need to take in an active shooter situation," McMillon said. “Because the management team [in El Paso] acted so fast and engaged other associates and executed