The giant retailer's low prices often come with a high cost. Wal-Mart's relentless pressure can crush the companies it does business with and force them to send jobs overseas. Are we shopping our way straight to the unemployment line? A gallon-sized jar of whole pickles is something to behold. The jar is the size of a small aquarium. The fat green pickles, floating in swampy juice, look reptilian, their shapes exaggerated by the glass. It weighs 12 pounds, too big to carry with one hand. The gallon jar of pickles is a display of abundance and excess; it is entrancing,...