Jock Stein was initially told he couldn’t manage Celtic because he was non-Catholic

Jock Stein was told he wouldn't be promoted at Celtic because he was non-Catholic. Stein left to manage Dunfermline and Hibs, then returned to guide Celtic to the top of Europe. This is a clip from Glasgow 1967: The Lisbon Lions, which will be broadcast on Wednesday May 24, 21:00, BBC One Scotland.