Former chief executive of Fannie Mae Daniel Mudd exits U.S. District Court in the Manhattan borough of New York City, January 27, 2016, after attending arguments in the Securities Exchange Commission (SEC) case against him. REUTERS/Mike Segar August 22, 2016 By Patrick Rucker and Nate Raymond WASHINGTON/NEW YORK (Reuters) – In one of the U.S. Securities and Exchange Commission’s biggest cases …