 He had filed an "amicus curiae" brief with the Supreme Court as part of the case "Western Tradition Partnership, Inc. v. Attorney General of Montana" that sought to limit or fully overturn "Citizens United", but it was summarily rejected by the court.He continued to campaign for Romney and for Republican Senate candidates in the general election, hoping to become chair of the Armed Services Committee if the Republicans took control of that body, but in fact Romney lost to Obama and the Republicans lost further seats to the Democrats in the Senate.During 2012, McCain took the lead in fighting looming defense spending sequestrations brought on by the Budget Control Act of 2011, appearing in town-hall meetings to argue they must be prevented.