Fed's Barkin Says Prudent To Hold Interest Rates Steady And Await More Clarity On What The Fed Should Do Next; Pace And Uncertainty Of Changes Around Ai Have Made A Lot Of Fed Officials 'Uneasy'; War, Fast Changes Due To Artificial Intelligence Have Again Clouded Economic Outlook; Even Before Oil Shock, Progress On Inflation Was At Risk Of Stalling; Higher Gasoline Prices Hit Consumer Sentiment, Can Crowd Out Other Spending; Says He Will Be Watching Inflation And Expectations Data Carefully