text_a: like its two predecessors , 1983 's koyaanisqatsi and 1988 's powaqqatsi , the cinematic collage naqoyqatsi could be the most navel-gazing film ever .
text_b: it could change america , not only because it is full of necessary discussion points , but because it is so accessible that it makes complex politics understandable to viewers looking for nothing but energetic entertainment .