(FILES) In this file photo taken on January 21, 2020 US Treasury Secretary Steven Mnuchin attends a session at the Congres center during the World Economic Forum (WEF) annual meeting in Davos, on January 21, 2020. - Mnuchin on January 23, 2020, pledged a new round of tax cuts that he said would benefit ordinary Americans. "The president has asked us to start working on what we call tax 2.0," Mnuchin said told CNBC from the global economic forum Davos, Switzerland. (Photo by Fabrice COFFRINI / AFP)