FILE - In this Oct. 8, 2002 file photo, Mary Jo White, former U.S. Attorney for the Southern District of New York, appears on Capitol Hill in Washington. A White House official says President Barack Obama on Thursday will nominate White as chair of the Securities and Exchange Commission (SEC). (AP Photo/Dennis Cook, File)

Associated Press
FILE - In this Oct. 8, 2002 file photo, Mary Jo White, former U.S. Attorney for the Southern District of New York, appears on Capitol Hill in Washington. A White House official says President Barack Obama on Thursday will nominate White as chair of the Securities and Exchange Commission (SEC).  (AP Photo/Dennis Cook, File)
FILE - In this Oct. 8, 2002 file photo, Mary Jo White, former U.S. Attorney for the Southern District of New York, appears on Capitol Hill in Washington. A White House official says President Barack Obama on Thursday will nominate White as chair of the Securities and Exchange Commission (SEC). (AP Photo/Dennis Cook, File)