Go ahead and have a celebration. If you are Christian, celebrate the birth of Jesus and the gifts of the magi (even though they probably didn't arrive in Bethlehem until a year or two after he was born). If you are not a Christian, celebrate family, friends and gift giving. And Christians, don't worry about Christmas being commercialized. It always has been (more on this below). And let's keep it public. Who can complain about a holiday with family and gifts and cards and travel, and Chri...