Pennsylvania sues Character.AI, alleging that one of its characters posed as a psychiatrist, as the state seeks to prevent chatbots from impersonating doctors (Jonathan Stempel/Reuters)

Jonathan Stempel / Reuters: Pennsylvania sues Character.AI, alleging that one of its characters posed as a psychiatrist, as the state seeks to prevent chatbots from impersonating doctors — Pennsylvania has sued the artificial intelligence company behind Character.AI to stop its chatbot from posing as doctors.