The Justice Department is defending the legality of Matthew Whitaker's appointment as acting attorney general. President Trump appointed former Attorney General Jeff Sessions' chief of staff to take the helm after Sessions resigned last week. An opinion from the Justice Department's Office of Legal Counsel says the President has the legal authority to make such a move, despite the fact that Whitaker is not a Senate-confirmed appointment. Trump bypassed Deputy Attorney General Rod Rosenstein. Democrats have ripped Whitaker's appointment because of his past criticism of Special Counsel Robert Mueller's ongoing Russia investigation.