The Federal Housing Finance Agency found itself on the defensive this week following a rapid-fire series of highly critical reports issued by its inspector general that questioned the agency’s capacity to oversee Fannie Mae and Freddie Mac effectively, as well as its decisions in specific cases. The FHFA Office of Inspector General said late last week that the FHFA’s examination program, the primary means by which it supervises and regulates the government-sponsored enterprises, faces “capacity and transparency shortfalls.” “The agency has too few examiners to ensure the efficiency and effectiveness of...