Jonathan Sumption, Former Justice of the Supreme Court

Jonathan Sumption, Former Justice of the Supreme Court 9 October, 2019

John R. Bolton, National Security Advisor of the United States

John R. Bolton, National Security Advisor of the United States 31 May, 2019

Prof Andrew Roberts, Author, Historian

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Tom Tugendhat MP, Chairman of the Foreign Affairs Select Committee

Tom Tugendhat MP, Chairman of the Foreign Affairs Select Committee 27 March, 2019

Jeremy Fleming, Director GCHQ

Jeremy Fleming, Director GCHQ 27 November, 2018