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Border fences, used by totalitarian states during the Cold War to keep citizens in, are increasingly being erected by democracies to keep neighbours out, a barrier conference heard this week."For all time, the wall has been at the heart of international relations," conference organizer and University of Quebec in Montreal researcher Elisabeth Vallet said at its opening. .....Lire la suite :http://www.vancouversun.com/Walls+prevent+neighbourly+relations/4807990/story.html#ixzz1Nv9fxUv2