Though colorful fantasies of lone-wolf vigilantism dominate movie screens in the form of super-powered comic book heroes, Steve Hoover's documentary "Almost Holy" paints a picture of everyday avenging in the grim here-and-now. Its subject is Ukrainian pastor Gennadiy Mokhnenko, for nearly 15 years a crusader against child homelessness whose messy tactics - abducting street kids, confronting abusers and predators, shaming inactive bureaucrats - are to his mind the only answer in a corrupt post-Soviet society ill-equipped to help its neediest.