The fight over how many separate media voices a single company should be allowed to own is not only an American issue. In Britain, two of the nation’s four broadcast networks are now owned by American media tycoons, a situation made possible by a change in the law governing foreign-owned television franchises. The general director of the BBC is still furious over the decision to allow American businessmen to control British programming, and he warns that new media legislation passed this summer will only further U.S. dominance of English culture.