‘In a digital era, entertainment often becomes collective memory. Real names are not       fictional tools. They belong to real lives.’  – that was Daryl Hannah in an essay written in the New York Times last week, responding to Ryan Murphy’s  characterisation of her in his new show ‘Love Story’, which follows the life and death of Carolyn Bessette and John F. Kennedy Junior. Hannah , who gained worldwide attention from her role in the 1982 film ‘Blade Runner’, dated JFK Jr. o