Leeuwenkuil’s lion is sad. Try as they might with modern design technology to manipulate the ancient image carved into the doorknob of the historic manor house in the Swartland, the folks at Leeuwenkuil just can?t get the poor fellow to look anything but mournful on their wine labels. That?s a pity, because there?s much to be cheerful about these days at Leeuwenkuil (roughly translated as lion?s den, or lair, after the now-extinct Cape lion that once roamed the farmlands and watering holes of th…