Unspun World: What changes in a Democrat-run Congress?

John Simpson, in discussion with the BBC’s unparalleled range of experts across the world, explores how the results of the US midterm elections are reshaping American politics, analyses what the latest UN climate summit can achieve, and looks at how young criminals are being hired to carry out arson and murder in Europe. Producer: Kate Cornell Executive producer: Benedick Watt Commissioning editors: Silvia Costeloe and Paul Royall