Scottish Independence Referendum: Harvard Professor Niall Ferguson joins debate

Scottish Independence Referendum: Harvard Professor Niall Ferguson joins debate; SCOTLAND: Glasgow: EXTSilhouette of spires of Glasgow buildingLow angle shot of spires of Glasgow University Close shot stained glass windowEntrance to Glasgow University TILT DOWNProfessor Niall Ferguson piece to cameraSt Andrew's flag on flagpole TILT DOWN Union Jack flagFerguson piece to camera Gargoyle on building Close shot statue PULL FOCUS University buildingFerguson along in University grounds and piece to cameraSilhouette of city buildingsCity of Glasgow seen from aboveVarious flags including Union Jack and Saltire flying from flagpoles over city buildingsCity rooftops and ferry with image of viking on sideSt Andrew's flag flying on flagpoleFerguson sitting on bench and piece to camera Ferguson along in University groundsGVs Students in grounds of UniversityFerguson piece to camera