He’s one of the most controversial figures walking the political stage at the moment – but at the Venice Film Festival, Venezuelan President Hugo Chavez has been walking the red carpet.He was in Venice for the world premiere of director Oliver Stone’s documentary examining his portrayal in the media. Hundreds of admirers turned out to greet him, some of them chanting “president, president” in Spanish. He played up to the part of movie star, meeting the public and throwing a flower into the crowd. He even took a photographer’s camera to snap himself.