Samira Ahmed talks to American film director Oliver Stone about his documentary miniseries which uses new archive material and little known documents to explore an unconventional account of events that took place during the twentieth century that have shaped America's history. Chimamanda Ngozi Adichie discusses her new novel Americanah. As the British Library expands its archiving power by storing every UK Website, plus public tweets and Facebook entries, we ask what lies behind our need to collect everything with AS Byatt and Jane Humphries. And Samira talks to the Estonian composer Eugene Birman about his new cantata Nostra Culpa.