Fannie Mae and Freddie Mac apparently put regulatory and financial concerns above their public-outreach goals during the first half of 2005, according to recent numbers from a media research group. TNS Media Intelligence, a firm that tracks ad spending by companies, reported this month that Fannie’s ad spending dropped a hefty 79.1 percent in the first half of 2005 when compared to the same period last year. Freddie Mac, researchers said, dropped its ad budget