Fed's Waller Says Personally Would Prefer An Inflation Range As A Target; I Personally Would Prefer A Range For A Target; Seems Reasonable To Aim For 1.5%-2.5% Inflation; Sometimes A Point Estimate Is Too Restrictive In Terms Of Judging Success, Failure Regime Change Means You Don't Ask Current Regime To Run One Of The Task Forces; We Are Going To Learn A Lot From Task Forces; All Are Going To Have Valuable Impact