Newcastle United legends don’t come bigger than Malcolm Macdonald, and on Episode 28 of Black & White, “Supermac” talks host Geordie Pete Redding and Arab News Sports Editor Ali Khaled through his extraordinary career, including being signed by Bobby Robson, becoming a Gallowgate idol and playing in FA Cup finals. And there is the little matter of Newcastle’s visit to the Etihad to meet a wounded Manchester City.