And the shrewd and, in many ways, reprehensible outlaw/guru weasels at the center of the intriguing, enraging documentary “The New Radical” are radical. Please, God save us from any more radicals.

“The New Radical” is designed to induce discomfort. How could it not? At the heart of this stirring documentary is a divisive figure, someone who not only warrants controversy, but invites i ...