The maker of ChatGPT has advertised a $555,000 a year vacancy with a daunting job description that would cause Superman to take a sharp intake of breath. In what may be close to the impossible job, the “head of preparedness” at OpenAI will be directly responsible for defending against risks from ever more powerful AIs to human mental health, cybersecurity and biological weapons. That is before the successful candidate has to start worrying about the possibility that AIs may soon begin training...