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External Action Service: Cathy Ashton's EU ambassadors

13 December 2013 Last updated at 13:44 GMT

Britain's Baroness Ashton, the European Union's foreign policy supremo, heads up a network of ambassadors, who work for the External Action Service.

Adam Fleming explains their role as he speaks to EU Ambassador to Switzerland Richard Jones, and Mariangela Zappia, the EU Ambassador to the United Nations.

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