_ 　　In Caracas, slum dwellers can acquire land in exchange for the story of their life in the neighbourhood. A decree issued by Chavez triggered the writing of the “Cartas del barrio”, which reveal the history of a whole swathe of the capital. 　　_ 　　On a hill in a Caracas suburb, two years after Nicolas Maduro succeeded Hugo Chavez as president of Venezuela, the inhabitants of a « ba...