What do countries lose when they no longer have diplomats on the ground? Louise, Jeremy and Peter examine how the absence of embassies and diplomatic relations can distort judgment, weaken consular protection and leave governments relying on weaker intelligence, intermediaries and guesswork.

Using the long American absence from Iran and Canada's own experience closing missions abroad, they ask what is really lost when states withdraw their diplomatic presence, and whether a country that wants to matter in the world can afford to keep hollowing out its foreign service.