As the Scottish National Gallery of Modern Art in Edinburgh showcases 20 years of work by the controversial artist Tracey Emin, Artworks Scotland debates her worth, taking a considered look at her key works as well as the woman behind the hype. Is Emin really a great artist or just the artist we deserve - a product of our self-obsessed, confessional, celebrity age? Journalist Bidisha, sculptor Alexander Stoddart and art critic Tim Marlow help examine the evidence.