'Tis the season to be thankful, jolly, joyful, and merry. Celebrations abound. For at least six weeks out of the year, we seem to laugh with a little more cheer, give with a little more enthusiasm, and treat each other with a little more warmth. The feeling is contagious, as if we might start an epidemic of kindness. We ring in the New Year with enough excitement and fanfare to light entire cities and it seems as though our energy ...