She was and was not her mother’s daughter. What I mean is that Cecile Richards, who died of an aggressive brain cancer, on January 20, at 67, was in many ways the best of her mother, former Governor Ann Richards, as well as her father, civil rights lawyer David. If the progeny of famous parents often have a rockier path to tread, Cecile made her way in the world with grace and gratitude—for her past, her present, and far-too-abbreviated future. She was beautiful like her mother, with the same cloud-white hair and just a few of the same hard-earned facial grooves. But where Ann was rough-edged and drawn to the spotlight, her oldest child was smooth and easygoing, resolute but never harsh—even though she did…