The agencies know perfectly well that every country, even when they cooperate on anti-terrorism, spies on its allies. The Americans spy on us on the commercial and industrial level like we spy on them, because it's in the national interest to defend our businesses. No one is fooled.
-- Bernard Squarcini, former head of France's secret services
Src: UPDATE 3-Merkel says U.S. spying an unacceptable breach of trust | Reuters