We already have a common language that's widely known across Europe (English), it just doesn't have the reach that the native language does.

Some countries are also really self centered in terms of news, etc. Here in Spain, for example, most national news deal mostly with corruption scandals, political issues in Catalonia, sports, and little else. Geopolitical and/or European issues are given surprisingly little time considering we're the fifth largest economy in the union (about to be the fourth after/if the UK leaves).