Salmon'It's collateral damage': Salmon farming industry ensnared in fight for indigenous rightsThe Mapuche's battle for self-determination stretches back over 300 years. Can Chile's salmon farming industry find a way to escape the violence?The Mapuche people account for around 12 percent of Chile's population, but is not formally recognized by the government.Foto: Esteban Ignacio/FlickrJohn Evans