Bing’s Revenge + Google’s AI Faceplant

Microsoft’s release of a ChatGPT-powered Bing signifies a new era in search. Then, a disastrous preview of Bard — Google’s answer to ChatGPT — caused the company’s stocks to slide 7 percent. The A.I. arms race is on. Plus: What “Nothing, Forever,” the 24/7, A.I.-generated “Seinfeld” parody, says about bias in A.I.