Scottish Independence Referendum: Harvard Professor Niall Ferguson joins debate

Scottish Independence Referendum: Harvard Professor Niall Ferguson joins debate; SCOTLAND: Glasgow: EXT Silhouette of spires of Glasgow building Low angle shot of spires of Glasgow University Close shot stained glass window Entrance to Glasgow University TILT DOWN Professor Niall Ferguson piece to camera St Andrew's flag on flagpole TILT DOWN Union Jack flag Ferguson piece to camera Gargoyle on building Close shot statue PULL FOCUS University building Ferguson along in University grounds and piece to camera Silhouette of city buildings City of Glasgow seen from above Various flags including Union Jack and Saltire flying from flagpoles over city buildings City rooftops and ferry with image of viking on side St Andrew's flag flying on flagpole Ferguson sitting on bench and piece to camera Ferguson along in University grounds GVs Students in grounds of University Ferguson piece to camera