Why are German voters turning away from mainstream parties?

This week John Simpson, in discussion with the BBC’s unparalleled range of experts across the world, analyses the state of Germany’s government after resounding regional election defeats, looks at the effect of American cutbacks on the of future of the United Nations, and examines what we can learn from the tightly controlled elections in Russia.

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