By Aine Cain From Business Insider Kroger CEO Rodney McMullen spoke about his company’s omnichannel strategy at the National Retail Federation’s 2019 Big Show. In an interview with the CNBC anchor Sara Eisen, McMullen discussed how Kroger’s merger with the grocery chain Harris Teeter had spurred a digital expansion. The Kroger CEO and chairman said the 2014 merger was a response […]