When you're king of the world, everybody wants to appear on your show."James Cameron's Story of Science Fiction" (10:05 p.m., AMC, TV-14) takes a six-episode tour of the genre.It does a good job blending ideas and mere celebrity.It offers observations from critics, authors and theorists about the use of science fiction to explore ideas about science, society, politics and the future of humanity.Not to mention our innermost fears.Along the [...]