Stray just a few moments from the M9 motorway between Glasgow and Edinburgh and you will discover Falkirk Distillery, a grand whitewashed building, complete with twin copper pagodas. Duncan Gorman sat down for a chat with co-founders George and Fiona Stewart, to discuss some of the bizarre obstacles they have had to overcome building the distillery from scratch - including complications from a certain Roman wall just a stone's throw from the site.