In his newly built palace near Tokyo, lined by stone statues of Roman emperors and surrounded by an 18-hole golf course, Masayoshi Son was stewing. After declaring for years the imminent arrival of the artificial-intelligence revolution,

The sources said Altman has scheduled his trip to New Delhi for Feb. 5. One of the sources said a meeting with government officials was also on the cards. But the schedule is not finalised and his plans could still change,