But holiday shopping is 'marathon, not sprint': analyst
                                
                                
                                    (Newser) -
                                    This year's Black Friday sales, it seems, weren't as tempting as last year's. Spending was down 11%, according to the National Retail Federation. The group had expected some 140 million shoppers this year, but the number ended up closer to 134 million,  Businessweek  reports. But the group...