Fed's Cook Says It Is Prudent To Wait 'a Bit More Time' For Inflation To Slow, But She Is Prepared To Act If It Does Not Occur 'Soon'; Since Last Summer There Has Been 'A Notable Shift' In Risk Towards Higher Inflation And Away From The Job Market, Which Appears Stable; Says There Is Reason To Think Disinflation Will Occur, But Sees Risks Also That Price Pressures Will Persist Due To Tariffs, Middle East Conflict, AI Investment