Fed Chair Powell Says Not On Preset Course; Meeting By Meeting Basis; Well Aware That Series Of Inflation Shocks Has Interrupted Progress; There Will Be Some Effects On Inflation Coming Forward; This Year Really Important To See Progress On Reduction In Goods Inflation, That's Main Thing We Are Looking For; Need To See Progress On Goods Inflation To Understand If We Are Making Progress; Whether We Look Through Energy Inflation Doesnt Arise Until We Check Box On Goods Inflation