Gay hero pop star Elton John is auctioning off clothes, furniture and artwork via the Christie's Auction House in New York. One of the lots, a pinball machine specially designed with Elton's image, will raise funds for his international AIDS Foundation. Valuers estimate that the most expensive item will be an original Banksy artwork, depicting a man throwing what appears at first glance to be a molotov cocktail, but later emerges as a bouquet of flowers. There are so man