I wrote last week about one of the first challenges facing the Warsh Fed, on AI, which reached back to Greenspan's navigating of the 1990s. Admittedly, inflation dynamics are different right now, so the analog is far from ideal. Still, it can be instructive given how the Trump administration and Warsh have invoked Greenspan's mantle. Greenspan's May 1999 speech, in particular, telegraphed his hawkish pivot by pointing to two concerns: -The tradeoff between declining labor slack and inflation -The difficulty forecasting technological shifts and productivity growth https://www.federalreserve.gov/boarddocs/speeches/1999/19990506.htm(Nick Timiraos)