In recent years, the simultaneous development of prominent social movements and the election of left and centre-left governments has radically altered the political landscape in Latin America. These social movements have ranged from the community based 'piqueteros' of Argentina that brought down three governments in the space of a month in 2001 to the indigenous movements in Ecuador and Bolivia that were instrumental in toppling five governments in the last decade. And in the cases of Venezuela and Brazil, social movements helped to provide the political base from which leftist leaders like...