Kevin Warsh, newly appointed to the Federal Reserve, is initiating significant changes to the institution's internal framework, reminiscent of the Greenspan era. Within a month of his appointment, Warsh has established five special groups to review the Fed's communication strategies and economic data sources. This move is seen as a bid to enhance policy credibility, with a focus on integrating more actionable economic indicators, similar to Greenspan's approach of using complex data in policy discussions. Warsh's reforms come amid persistent inflation, presenting a different challenge compared to the low-inflation environment during Greenspan's tenure.