The ongoing search for Freddie Mac’s next chief executive officer has reportedly led a search firm to a former Fannie Mae executive. According to industry sources, Korn Ferry – the recruiting firm hired by Freddie this summer to find a replacement for outgoing CEO Greg Parseghian – has contacted Robert Zoellick, former executive vice president at Fannie Mae and the current U.S. Trade Representative. Zoellick’s professional experience and political connections may make him an