Earlier this month, Northwestern Pritzker School of Law professor Sarah O’Rourke Schrup made her first oral argument before the U.S. Supreme Court.Sitting in the courtroom that day were several of the Northwestern Law graduates who helped work on the case while they were students in the Bluhm Legal Clinic’s Appellate Advocacy Center.“It was really very special,” said Schrup, who is the director of the Appellate Advocacy Center and Clinical Assistant Professor of Law.Schrup, along with Sidley Austin …