‘Tis Christmas letter writing season. When holiday decorations pop up like mushrooms after a rain, you know it’s time to sharpen your pencils and replace your printer ink. Structure The first consideration for your annual Christmas letter is structure. Will you organize it by month? By family member? By uncomfortable obsession? Many Christmas letters highlight one activity or trip per month. One drawback of this approach is figuring out how to announce a change in relationship status. Would a casual mention of your ex’s new address under October highlights slip by unnoticed? Organizing by family member is a common strategy. As long as you have something nice to say about…