Joseph Muscat, Prime Minister of Malta

Prime Minister of Malta 14 March 2017

Sir Julian King, European Commissioner for the Security Union

European Commissioner for the Security Union 2 February 2017

The Rt Hon Dr Liam Fox MP, Secretary of State for International Trade

MP, Secretary of State for International Trade 12 January 2016

Dr Arthur Laffer, American Economist

American Economist 7 December 2016

Sir Michael Fallon MP, UK Secretary of State for Defence

MP, UK Secretary of State for Defence 24 November 2016