Editorial opinion: dangers of diversity

There are two words that should be worrying the international film business: cultural diversity. That's not in any way to disagree with the principle: globalised trade does have an innate drive towards homogenisation, with the big overpowering the small. So United Nations body Unesco was fully justified in raising the issue in a convention that came into force earlier this year, supported by almost all nations of the world but pointedly opposed by the US.