I just deleted the latest of maybe 30 promotional emails from the past three days urging me to take advantage of Presidents’ Day sales events. That doesn’t count the 30 to 40 that came in during the past week and the bunches of fliers that arrived in the mail. (I keep cancelling—they keep sending.) We all love a good bargain and it got me thinking. How much money will Americans actually spend over the Presidents’ Day holiday? I can’t find a good estimate but every retailer se