He was once a scruffy, honey-haired folk singer. Then an adamantly bisexual balladeer. Then a spacey, cropped-red-haired androgynous guitarist backed by a band called the Spiders from Mars. Then a soul singer. Then a movie actor … and finally, a smartly conservative, Sinatra-esque entertainer. David Bowie, it's safe to say, would do anything to make it. And now that he has made it, he'll do anything to stay there.