 They noted what conservative justice Amy Coney Barrett asked of Trump attorney John Sauer at the oral argument in late April. 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.