The Business: Could a US-China trade war take down the world economy?

Joining Aditya Chakrabortty are Andrew Lilico from Policy Exchange, John Hilary from War On Want, Sukhdev Johal from Royal Holloway, University of London, and Guardian economics editor Larry Elliott. We hear from the Guardian's China correspondent, Tania Branigan, and from the economist Jayati Ghosh. Is protectionism back on the global agenda? Is that necessarily a bad thing? How can China defend itself against an expected new round of American quantitative easing? And do we risk the US bond market going under?