Sorry that european privacy laws are more strict than in the US. Unfortunately, I like it that way and if the US now throws a tantrum then I really don't care. Lyndon B. Johnson already said it: "Every man should know that his conversations, his correspondence, and his personal life are private". Besides, the threat not to work with the EU against terrorism is meaningless; because it would fire back and I don't think that US politicans assume that the EU will work with them against terrorism while getting nothing in return. That aside, US terrorism investigations don't seem to be that valueable: Bin Laden still isn't caught and Saddam Hussein had no weapons of mass destruction.