John Wilson talks to ballet star Tamara Rojo and choreographer Akram Khan, as their radical new version of Giselle for English National Ballet opens in Manchester. Grace Coddington, the former creative director of American Vogue, on her five decades at the top of the fashion world. Krissah Thompson of The Washington Post reviews the new National Museum of African American History and Culture in Washington DC. 950 years after William the Conqueror arrived on our shores, historian Tom Holland assesses the cultural impact of the Norman invasion. Presenter: John Wilson Producer: Timothy Prosser.