This story was originally published on Payments Dive. To receive daily news and insights, subscribe to our free daily Payments Dive newsletter. Dive Brief: Several large merchants, including Walmart, are asking a federal judge to schedule oral arguments before he rules on a proposed settlement to resolve decades of litigation with Visa and Mastercard over card interchange costs. The National Retail Federation and the Retail Industry Leaders Association wrote to U.S. District Judge Brian Cogan on Tuesday ...