Born in 1945, Japanese documentary filmmaker Kazuo Hara is unafraid to provoke. After debuting in 1972 with the controversial Goodbye CP, which depicts disabled people with a discomfiting frankness, Hara turned the camera towards his own life with Extreme Private Eros: Love Song 1974, which focuses on his ex-lover, an outspoken feminist activist. In addition to demonstrating the director's commitment to cinema verité, the film shows Hara's fondness for iconoclastic subjects and his willingness to allow these subjects to seize control of his films. This fact again came to the fore with Hara's best-known work, The Emperor's Naked Army Marches On, which follows the whims of a particularly angry World War II veteran. Hara's subject matter and his seeming refusal to judge or, in some cases, even react to his subjects' actions have caused many critics to accuse the director of irresponsibility. But Hara's cinema has...