 You concede that private acts don't get immunity. We do. But the scope and breadth of the election interference case against Trump will hinge on whether the court draws a line at official acts, and if so, where. A complicated ruling could spark another round of appeals, further delaying the trial. Stephen Portnoy, ABC News, Washington. Former Trump aide Steve Bannon reports to prison today. He is to serve four months for refusing to cooperate with the Congressional Committee looking into the January 6th riot.