Keith Windschuttle: The Debate So Far It should be now clear to everyone that, in the debate over the looming plebiscite on same-sex marriage, those advocating a Yes vote have a very weak case. At best, they are putting forward an anti-discrimination argument: homosexuals who want to marry should not be denied because that would perpetuate the discrimination they have long suffered under the law. To give this a positive spin, as their PR people have obviously advised, this translates into a demand for equality: “marriage equality” and “equal love”, or as the Kerryn Phelps television commercial puts it, marriage…