On Today With Pat Kenny last week, Irish historian Diarmaid Ferriter was on talking about some of the icons of the Seventies, from politics and culture to food and wine. At that stage, Ireland’s wine culture was in its infancy, but of course one particular tipple came up in discussion. So exactly does Blue Nun fit into the fine wines of the world? In its heyday in the eighties, the wine was selling two million cases worldwide every year. Nowadays, it sells about 30,000 bottles a year in Ireland, so it turns out, that for all the derision, it’s holding it’s own. Our producer Fergus Sweeney heads out and about to find out what Ireland's current crop of wine drinkers make of the tipple, and David Whelehan from Whelehan’s Wines is an expert in this field. He joins Derek in studio to chat about how big Blue Nun was in its day...