Washington — Freddie Mac secretly paid a Republican consulting firm $2 million to kill legislation that would have regulated and trimmed the mortgage finance giant and its sister company, Fannie Mae, three years before the government took control to prevent their collapse. In the cross hairs of the campaign carried out by DCI of Washington were Republican senators and a regulatory overhaul bill sponsored by Sen. Chuck Hagel, R-Neb. DCI's chief executive is Doug Goodyear, whom John McCain's campaign later hired to manage the GOP convention in September. Freddie Mac's payments to DCI began shortly after a Senate committee sent...