Bradley Cooper talks to Samira Ahmed about playing US Navy SEAL Chris Kyle in Clint Eastwood's new film American Sniper.

Iwona Blazwick, curator of a new exhibition Adventures of the Black Square, explains how abstraction has reflected politics and society across the globe from Malevich's painting of a single black square in 1915 to the present.

Novelist Paula Hawkins discusses her new thriller The Girl on the Train, about a commuter who puts herself in danger when she gets involved in something she sees out of the window of the carriage.

With the controversy surrounding the cover of this week's French satirical magazine Charlie Hebdo, Dr Sussan Babaie from the Courtauld Institute of Art considers the history of images of the Prophet Muhammad in the tradition of Islamic art.

Producer Rebecca Armstrong. Show less