Some day a great biography will be written about Arnold Schwarzenegger, a born-again American who proved able to remake himself in whatever ways proved necessary to succeed. Properly explored, however, there may be pathos in Mr. Schwarzenegger's story, as well as triumph. Because it begins to appear the story of the current governor of California -- or should that be "Kauli-fornia"? -- helps crystallize the story of the one place in the world where that success story was possible: America. Most of the story is well-known. With little else to work with, Mr. Schwarzenegger made his own body the tool...