Good morning, readers. Hallam Bullock, an editor in London, here. An inventor regretting their creation is a tale as old as time. Victor Frankenstein. The designer of Microsoft's "Clippy" assistant. And now, it seems, Sam Altman. The OpenAI CEO says he is losing sleep over the fear that "we already have done something really bad by launching ChatGPT." For many, AI has become the stuff of nightmares.