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The magazine Défis, published twice a year by Pro Jura, deals with economics, tourism and culture. Didier Walzer, a freelance journalist, leads the editorial committee. The magazine was published for the first time in 1930, under the title Les intérêts du Jura: Bulletin de l'Association pour la défense des intérêts du Jura. From 1979 to 2002, it appeared under the title Les intérêts de nos régions: Bulletin de l'Association pour la défense des intérêts jurassiens.