The New Year's Eve festivities are over, the last of the apple and pumpkin pies have been eaten, and the in-laws have headed home to Ohio again. My daughter and her fiance will depart tomorrow morning, and on the next day, Peter and I will head back to work. Over the last nine days, six people have feasted, laughed, given and received gifts, and generally enjoyed ourselves in a pretty typical American holiday. (Though technically, Peter and I are Pagan , and only my mother-in-law is Christian, we all enjoy merry-making together.) I'm not sure how much weight I've put on, but it's likely some; in addition to the pies and turkey, there were mounds of Christmas cookies, platters and boxes of chocolates, truffles, and fudge, and a big double-chocolate birthday cake for Peter. Our holiday waste, posing by the tree. So my waistline may be showing the effects of over-consumption for a while. How about our plastic tally? The answer is, we weigh in today at a somewhat por...