The culture wars are over, and the Left won. For proof, look no further than the winners of three of Australia’s most prestigious annual art prizes, currently exhibiting at the Art Gallery of New South Wales. The best-known of the three is the $50,000 Archibald Prize, awarded for portrait painting. This year’s winner is Del Kathryn Barton, for her painting of herself and her two children entitled, You are what is most beautiful about me. It is a striking picture, and it makes a bold and simple statement about maternal love and protectiveness. As the artist explains, it expresses “the…