A divided federal appeals court on Friday seemed reluctant to order the judge presiding over former national security adviser Michael Flynn’s prosecution to dismiss the case ahead of scheduled arguments in the trial court next month. During a Friday hearing before a three-judge panel of the D.C. Circuit Court of Appeals, two judges expressed reservations about preventing U.S. District Judge Emmet Sullivan from ruling on the Department of Justice’s (DOJ) motion to dismiss Flynn’s criminal case. Sullivan drew attention last month when he took the unusual step of appointing a retired federal judge to argue against dropping the charges and...