50 years since 'Billy Liar' was released Samira Ahmed talks to one of the film’s stars, Helen Fraser, and film historian Melanie Williams to discuss its role in British cinema. When it comes to success and leadership, are those who are extroverted given an unfair advantage? Susan Cain, who argues the power of the introvert is undervalued, Julia Hobsbawm, the business woman dubbed the "Queen of Networking", and the cultural historian Henry Hitchings discuss. Sarah Kent talks about the artist Ellen Gallagher’s new exhibition, AxMe. And Michael Burleigh argues the collapse of colonial empires after World War II led to countless vicious power struggles and that the consequences of distant wars are still with us.