Fed's Barr Says Prudent For Fed To Take Time, Look At Data, Before Changing Policy Again; Wants To See More Evidence Inflation Ebbing To 2% Target; Still Sees 'Significant Risk' Inflation Will Stay Over 2%; Reasonable To Think Price Pressures Will Further Cool; Job Market In Balance But Vulnerable To Shocks; Recent Data Points To Stabilizing Job Market; In Long Run AI Should Boost Productivity And Living Standards