Retailer claims the decision was financial, not political
                                
                                
                                    (Newser) -
                                    Walmart, which sells more guns and ammunition than any other retailer in the country, will stop stocking AR-15s and other high-capacity firearms known as modern sporting rifles in the coming weeks,  Quartz  reports. Rumors about the change were circulated yesterday and confirmed to multiple sources today. Interestingly, a Walmart spokesperson...