Jan. 22 (Bloomberg) -- The U.S. may not be able to maintain its lead over China in the race to develop artificial intelligence (AI), according to Ruth Porat, president and chief investment officer of Alphabet, Google's parent company. Porat pointed out in an interview on the sidelines of the World Economic Forum in Davos, Switzerland, that although the United States is temporarily ahead in the field of AI models and chips, China has been equal to it in the popularization and application of basic capabilities, and may even be slightly better. Porat said: "The U.S. may be more than a year ahead in AI models, and the West is in the core...