Two girls came bursting through the door and giggled their way up the steps and across the room toward where I was sitting. First the little one was in the lead, but she quickly turned and pushed her older sister to be in front of her. Then the older sister said, “No no no,” and pulled the younger one back around by her shoulders. The little girl was only there for a moment before she ducked her head and darted beneath her big sister’s arms and was then pushing her across the room from behind. They moved towards me in this way, spinning around each other like heads and tails on a flipped coin and finally landed in front of me, Clara side up.…