"Once in a lifetime." The phrase comes up over and over from the people who worked on Peter Jackson's cinema trilogy The Lord of the Rings. The film's seventeen Oscars, record-setting earnings, huge fan base, and hundreds of ancillary products attest to its importance and to the fact that 'Rings' is far more than a film. Its makers seized a crucial moment in Hollywood - the special effects digital revolution plus the rise of "infotainment" and the...