Sam Altman, the CEO of OpenAI, has been on a dealmaking blitz with some of the world’s largest, most important AI players such as Nvidia and SoftBank. But there are risks to his high-stakes tactics, as WSJ reporter Berber Jin explains. Plus, WSJ Heard on the Street columnist Jinjoo Lee discusses how retailers might be threatened by ChatGPT’s new direct-purchasing feature. Belle Lin hosts.

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