Each default brings widespread fallout
                                
                                
                                    (Newser) -
                                    Stores across the country are closing their doors, the New York Times reports, victims of a downturn in consumer spending. Retailers are often heavily leveraged, and as the economy falters banks are tightening credit. Several chains, including Sharper Image, have declared bankruptcy; others like Footlocker, Ann Taylor, and Zales are...