OpenAI CEO Sam Altman arrives at the Allen & Company media conference in Sun Valley, Idaho, on July 8. Photo: Kevin Dietsch/Getty ImagesOpenAI CEO Sam Altman will use a swing through Washington this week to argue that AI is already making Americans more productive — and to promise to keep AI "democratic" by getting it in as many hands as possible, sources tell Axios.Why it matters: Altman wants to continue driving debate over the effect AI will have on jobs. In an appearance Tuesday at a major F...