Because it’s hard to talk about the delightful new novel A PERFECT HAND without giving away its surprise ending, I asked author (and screenwriter, and show runner, and quilter, and lawyer, and, yes, full disclosure, one of my closest friends in the whole wide world) Ayelet Waldman to dive deep into the origins of the novel; her love of both the marriage plot and its expert practitioner, Jane Austen; the importance of reciprocity in modern-day marriages; and how her long and successful...