Color me happy. I spent a glorious afternoon with Ray; our daughters, Sarah, Liz, and Rachael; their partners, Gregorio, Ron, and Andrew; my grandchildren, Luna, Nico, Lyla, and Ethan; and Andrew’s mother, Martha. We ate, laughed, opened presents, ate more, talked, laughed more, and generally enjoyed each other’s company. Also, one of my former students,…