The closure debate has been one of the defining issues in the wine industry over the last decade. But how far have we actually come since the argument rose to the fore at the end of the 1990s?

The closure debate has been one of the defining issues in the wine industry over the last decade. But how far have we actually come since the argument rose to the fore at the end of the 1990s?
The closure debate has been one of the defining issues in the wine industry over the last decade. But how far have we actually come since the argument rose to the fore at the end of the 1990s?