Goldman Sacks Global Retail Conference

    By Mercedes Cardona

    | 6:30PM 9/11/2009
    You've probably heard the story about the Lexus in the Walmart (WMT) parking lot. Or the Costco (COST) shopper stuffing the 48-roll pack of toilet paper into the trunk of a Mercedes-Benz. Like an urban legend, the details differ, but the gist is the same: Even the rich have downsized their...