While Australians were preoccupied with the Budget, the Greens’ Sarah Hanson-Young has introduced legislation in the Senate to recognise same-sex “marriages” contracted overseas. The significance of the South Australian senator’s bill is that it seeks to reverse a 2004 amendment to the Commonwealth Marriage Act 1961, which defined marriage as the union of a man and a woman, entered into for life. South Australian Greens Senator Sarah Hanson-Young. At the time, …