The future of one of Britain's most popular pastimes is under threat. Bingo is played by three million every week, more people than go to Premier League football. But now the smoking ban is devastating the industry, with predictions that around 180 clubs could close. How is the industry adapting? The Money Programme's Max Flint investigates the impact in Scotland where the ban is already in force and the fears for England when the ban is introduced on 1st July.