Despite gains in oversight and reform of the compensation packages for Fannie Mae’s and Freddie Mac’s top-level executives, the Federal Housing Finance Agency needs to beef up its reviews and examinations of the pay packages for the scores of vice presidents and directors currently employed by the two GSEs, according to the Finance Agency’s official watchdog. The FHFA’s Office of Inspector General report released this week noted a “significant cost” involved in the compensation of the two GSEs’ nearly 12,000 employees.