New Fed Chair Kevin Warsh Says Also Absent Is Forward Guidance, Not Well-Suited To Current Policy State; Did Not Offer Projections Today; That's Consistent With Long Held Views; Encouraged Others To Participate As They Have Been; Appointing Task Force In Five Areas On Monetary Policy; Task Force On Communications, Balance Sheet, Use Of Data Sources, Productivity And Jobs, And Inflation Frameworks; Task Forces Will Be Supported By Fed Staff; Task Forces Will Ultimately Propose Next Steps