Freddie Mac’s regulator said two former executives are “inextricably” linked to questionable accounting deals that spurred a $5 billion reaudit and that they should be compelled to provide evidence about the role of external brokers to agency investigators. Lawyers with the Office of Federal Housing Enterprise Oversight this week rejected claims by former Freddie CEO Leland Brendsel and former CFO Vaughan Clarke that subpoenas issued against them are invalid. Brendsel and Clarke claimed the