It’s Friday morning. I am standing on a chair with Christmas lights in one hand and a magnetic clip in the other when a substitute teacher walks in the classroom. “Oh, do you share this room with Mrs. B.? I am her sub.” Startled, I …

It’s Friday morning. I am standing on a chair with Christmas lights in one hand and a magnetic clip in the other when a substitute teacher walks in the classroom. “Oh, do you share this room with Mrs. B.? I am her sub.” Startled, I …