A supposed spying scandal is threatening to undermine an attempt to reset ties between the UK and China, but does Britain have any levers to pull in the relationship? Conservative MP, and former party leader, Iain Duncan Smith, joins us to discuss why he sees Beijing's spying as being 'on a scale beyond all comprehension' compared to other countries, and what practical steps he thinks the Labour government should be taking. Hosted by Stephen Carroll and Yuan Potts.