The Venice Film Festival kicks off Wednesday with a spotlight on the new generation of filmmakers as 41-year-old US director Darren Aronofsky raises the curtain with “Black Swan.” The psychological thriller by Aronofsky, who won in Venice in 2008 with “The Wrestler” starring Mickey Rourke, is set in the cutthroat New York ballet world. Other under 50s in the competition are Oscar-winner Sofia Coppola, 39, of the United States and 43-year
