The Federal Housing Finance Agency needs to be much more hands-on and engaged in its oversight of Fannie Mae and Freddie Mac, according to the Finance Agency’s official watchdog.The FHFA Office of Inspector General’s conclusion is not new, but the OIG doubled down on its criticism of the agency last week both in its Semiannual Report to Congress and in written testimony submitted to the House Financial Services Subcommittee on Oversight and Investigations.