The Federal Housing Finance Agency’s internal watchdog said Fannie Mae and Freddie Mac could mitigate more losses if they recover mortgage deficiencies from borrowers more efficiently. An FHFA Office of Inspector General report found weaknesses in the ability of the government-sponsored enterprises to collect shortfalls from borrowers from post-foreclosure sales. In 2011, the GSEs recovered only a small fraction of the deficiencies they pursued, an estimated $4.7 million collected out of $2.1 billion pursued, the IG reported. The IG blames this on the FHFA’s lack of guidance and oversight of the GSEs’ deficiency recovery efforts. While the FHFA has an opportunity to provide...