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How much emotion should you show if you are a diplomat, a news reporter or a conciliation expert? Anne McElvoy chairs a Free Thinking Festival debate at Sage Gateshead with Gabriel Gatehouse, Gabrielle Rifkind and William J Burns.

In the world of international affairs, the overriding philosophy for global professionals has been one of restraint and rationality \u2013 whether you are negotiating, mediating or observing. So how is this traditional idea of \u201cbeing diplomatic\u201d and even-handed faring in a more emotional and expressive age?

Psychotherapist Gabrielle Rifkind works in conflict resolution in the Middle East. She directs The Oxford Process, a conflict prevention initiative specialising in managing radical disagreement. Her books include The Psychology of Political Extremism: What would Sigmund Freud have thought about Islamic State and The Fog of Peace: How to Prevent War.

William J Burns\u2019 book The Back Channel - American Diplomacy in a Disordered World charts his career as an American diplomat for over 3 decades. involved in negotiations with President Putin and secret nuclear talks with Iran. He is now President of the Carnegie Endowment for International Peace.

Gabriel Gatehouse is a BBC reporter whose work includes the Panorama programme Marine Le Pen: Who's Funding France's Far Right? (2017) and Our World A Tale of Two Swedens. His reporting has included investigations in East Africa, the Ukraine and Russia, Libya and Iraq and the BBC Radio 4 series The Puppet Master