(FILES) SEC Commissioner Robert Jackson Jr and former Securities and Exchange Commission Chairman Jay Clayton (R) arrive to testify before the House Financial Services Committee on oversight of the Securities and Exchange Commission in the Rayburn House Office Building on Capitol Hill in Washington, DC on September 24, 2019. US President-elect Donald Trump announced on Thursday that he is nominating Clayton to be the US Attorney for the Southern District of New York. (Photo by MANDEL NGAN / AFP) (Photo by MANDEL NGAN/AFP via Getty Images)