Illustration: Sarah Grillo/AxiosOpenAI will underwrite the expansion of Axios to four cities of its choice as part of a broader content-sharing and technology deal, the firms said Wednesday. Why it matters: It's the first time OpenAI is funding newsrooms as a part of a publisher deal, although the idea isn't novel. Google struck a deal with McClatchy to fund the creation of three digital-only local newsrooms in 2019.Zoom in: As part of the three-year deal, OpenAI will fund Axios' expansion into ...