VENICE, Aug 31: Nicolas Cage reinhabits a low-life version of his “Leaving Las Vegas” alcoholic in the Southern gothic “Joe” screened yesterday at the Venice Film Festival while a German film explores the dark issue of wife beating in the latest competition offerings. Poverty, and the effects of the 2008 economic crash on people and society, as well as the film industry, were emerging themes at this year’s festival, which opened on Wednesday and will conclude on September 7 with the awarding of the Golden Lion trophy for best film. (agencies)