(FILES) (COMBO) This combination of pictures created on April 15, 2026 shows (L/R) US Federal Reserve Board Chairman Jerome Powell in Washington, DC, on December 10, 2025 and US President Donald Trump at the White House in Washington, DC, on April 13, 2026. US President Donald Trump called on September 30, 2026 for former Federal Reserve chief Jerome Powell to quit the central bank's board, despite a government watchdog finding no criminal conduct in renovations of the Fed's headquarters. (Photo by SAUL LOEB and Brendan SMIALOWSKI / AFP via Getty Images)