"WGN America" . . "NewsNation" . "superstation" . . . . "superstation feed" . . "WGN-TV's national feed" . "NewsNation" . . . . "national feed" . . . . . "the superstation feed" . . . . . "superstation WGN" . "Superstation WGN" . . . . . "Superstation feed" . . . "national superstation feed" . . . . . "national cable superstation" . . . "former superstation feed" . "WGN" .