Age of Stupid director rescued by 'knight on shining bicycle'Boris Johnson came to the rescue of a high profile climate change activist and filmmaker who was being attacked by a group of young girls brandishing an iron bar, it was revealed today.Franny Armstrong, the director of The Age of Stupid, described the mayor of London as her "knight in a shining bicycle" after he came to her defence as she was walking home in Camden, north London, last night.She called out for help to a passing cyclist after being surrounded by a group of hoodie-wearing young girls who pushed her against a car, one holding an iron bar.The cyclist turned out to be none other than Johnson, who has made ...