epa08839505 (FILE) - Chair of the Federal Reserve Janet Yellen prepares to testify on the national economic outlook in the Longworth House Office Building in Washington, DC, USA, 29 November 2017 (reissued 24 November 2020). According to reports, Janet Yellen is expected to serve as Treasure Secretary in the Biden administration. EPA/JIM LO SCALZO *** Local Caption *** 53926210