 News Radio 1310 KNOX AM, Grand Forks. 1079 and 1033 KNOX FM. Translated on K239BG in Grand Forks and K277DN. This is a special report from ABC News. Supreme Court rules on immunity. I'm Daria Albinger. The Supreme Court today deciding that presidents enjoy some, but not total, immunity for their official acts. More from ABC's Stephen Portnoy. Chief Justice John Roberts wrote the opinion himself.