Ina FriedCommander of the U.S. Cyber Command Army Gen. Paul Nakasone testifying before a House committee in January. Photo: Kevin Dietsch/Getty ImagesOpenAI said on Thursday that it is adding former NSA head and retired Gen. Paul Nakasone to its board of directors as well as its newly formed Safety and Security Committee.Why it matters: OpenAI is looking to convince skeptics that it is taking sufficient steps to ensure its models are safe as it works toward its goal of super intelligence.Nakason...