Failure by governments, both federal and state, to come to grips with the complex nature of water risks putting the best regions of Australia’s agriculture in permanent drought, writes Patrick J. Byrne.Even after the rains come and the drought breaks, many farmers will face permanent drought, a man-made drought because of the water-trading policies of the federal and state governments.Malcolm TurnbullLast Melbourne Cup day, the Prime Minister, premiers and then federal parliamentary secretary fo…