NY Times illustrator and subway fanatic spawner Christoph Niemann is at it again. Last month, it was his awesome story-in-paint, "The Boys And The Subway," which detailed his young sons' fascination with the New York City subway system. Now he tells about remodeling the bathrooms in his family's house in Berlin, and obviously, the boys' bathroom gave him the chance to re-create the NYC Subway map in 4-inch tiles. Obviously. It's awesome, and to read the barrage of idiotic comments it inspired,