Dundee is taking to the world stage and heads are turning. The spotlight is on the City of Discovery and tourism enquiry lines are running hot. So is the excitement, as the much-anticipated V&A Dundee opens in just 100 days, on September 15. So why visit Dundee? We look at 100 reasons while features writer Gayle Ritchie talks to Tristram Hunt, director of the V&A in London, about his hopes for the Scottish innovation.