Stephen Sackur speaks to Tom Fletcher who was appointed British ambassador to Lebanon at the tender age of thirty six. Five years on he's just written an operational review of the British foreign office. Whatis the point of the modern day diplomat? Theirs is a world of fortified embassies, chauffeured limousines, and elaborate protocol, but in this globalised internet age what kind of value do they add? Is diplomacy as we know it dead?

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