Scottish curlers have made headlines around the world again last month, with both the men's and women's teams winning gold medals at the European Championships - both of them with members of farming families in the line-up. And that's no new phenomenon, because the link between Scottish farmers and the game of curling stretches back over the centuries and farmers have dominated the highest echelons of the sport for generations. But as Nancy Nicolson meets some recent stars of the game she discovers times are changing and the imperative of winning international medals has made it almost impossible to be both a professional curler and a professional farmer.