“Civil liberties advocates said in interviews there is a simple reason for the disconnect: In the period immediately after the Patriot Act passed, few if any observers believed Section 215 could authorize any kind of ongoing, large-scale collection of phone data. They argue that only a radical and incorrect interpretation of the law allows the mass surveillance program the NSA has erected on the foundation of Section 215. The ACLU contends in a lawsuit filed last week that Section 215 does not legitimately authorize the metadata program.”
