Sora‚ OpenAI’s new text-to-video AI model‚ can create realistic scenes. In an exclusive interview‚ WSJ’s Joanna Stern sat down with the company’s CTO‚ Mira Murati‚ who explained how it works but ducked questions about how the model was trained. Photo illustration: Preston Jessee for The Wall Street Journal

Treasury Secretary Janet Yellen said she regrets describing inflation in 2021 as “transitory‚” the term several Federal Reserve and Biden administration officials used to describe the pandemic-induced price surges they initially thought would be temporary. “I regret saying it was transitory. It has come down. But I think transitory means a few weeks or months to most people‚” Yellen said during an interview with FOX Business Network’s Edward Lawrence on Monday.

Former CNN anchor Don Lemon announced Wednesday that Elon Musk has canceled a partnership in which Lemon would host a new show on X‚ the social media platform Musk owns. Lemon said he was informed of the decision to cancel the deal just hours after he taped an interview with Musk for the premiere of The Don Lemon Show on March 18. “We had a good conversation. Clearly he felt differently‚” Lemon said of the interview in a statement Wednesday. “His commitment to a...

Don Lemon said Wednesday that his partnership with Elon Musk went down in flames‚ hours after the former CNN anchor conducted an interview last week with the erratic billionaire for the debut episode of his new independent web-based show. “Elon publicly encouraged me to join X with a new show‚ saying I would have his ‘full support‚’” Lemon said in a statement‚ adding that he took Musk at his word that he was “interested in working directly with diverse voices.” Lemon said the sit-down he...

Ex-CNN host Don Lemon said Wednesday that “X” CEO Elon Musk refused to commercialize his new show on the platform. Lemon announced the launching of his new show‚ “The Don Lemon Show‚” on X and YouTube following his firing from CNN in April. Lemon claimed Musk chose to cancel its partnership with the show Wednesday which has “changed” his “relationship” with the tech mogul and the platform. “Hi everyone. Elon Musk is mad at me‚ and I just put out a statement about what happened...