Yesterday marked two soft deadlines for Walmart: the EMV shift at payment terminals and a pre-holiday “line in the sand” that the company’s head of U.S. operations set for the retailer to shape up its stores. That includes making checkout lines shorter and other changes that might seem invisible, but which affect how friendly and easy to use shoppers find their local Wally World. More importantly, he shows up to visit stores unannounced. [More]