The RiverAustralia's major river system is collapsing. Parts of it are dying; parts of it are already dead. Australia's most significant river no longer reaches the sea. I look out into the dim autumn light and wonder once again how it has come to this Join award winning author Chris Hammer on a journey through Australia's largest river system, the Murray Darling Basin. His travels during the crippling millennium drought take us through riverland communities,