Dave McNary Film ReporterZeitgeist Films has unveiled the first official trailer for Radu Ciorniciuc’s documentary “Acasa, My Home,” following a Roma family who lived in harmony with nature for nearly two decades in the Bucharest Delta.The film, which debuted at the Sundance Film Festival earlier this year, portrays the Enache family — father Gică, mother Niculina and their nine children — living next to an abandoned reservoir just outside the metropolis. When the area is transformed into a