Jane Anderson, a playwright, screenwriter and part-time Nicasio resident for about two decades, read the Pulitzer prize-winning book Olive Kitteridge years ago for pleasure. She was drawn into the often-strained relationship between the cantankerous Olive and her optimistic husband, Henry, because it reminded her of her own parents’ marriage. “My mom always adored my dad, but she was terrible to him sometimes,” said Ms. Anderson, an Emmy award winner who wrote the screenplay for the…