Unspun World: Has Britain become ungovernable?

John Simpson, in discussion with the BBC’s unparalleled range of experts across the world, examines the factors behind the latest resignation of a British prime minister, explores the state of US politics and society on the eve of the country’s 250th birthday, and analyses the results of the Colombian presidential election.

Producer: Kate Cornell Executive producer: Benedick Watt Commissioning editors: Silvia Costeloe and Paul Royall