The Department of Justice should weigh in and soon because this case is no longer just about Flynn. It is about separation of powers, the executive branch — and now, unfortunately, about Judge Sullivan. Retired Lt. Gen. Michael Flynn and his legal team, led by attorney Sidney Powell, received promising news Thursday from the D.C. Circuit Court of Appeals. In a rare move, a three-judge panel ordered Judge Emmet Sullivan, the presiding judge in the long-running criminal case against Flynn, to respond to Powell’s petition for a writ of mandamus. In that petition, Powell asked the appellate court to order...