Librarians have long been on the forefront of information management; in the digital age, they are more invested than ever in protecting the free flow of information to the public, and protecting it from the overreaches of government prying. In June, key provisions of the Patriot Act that justified the government’s massive data collection efforts will expire; among these provisions is Section 215, which allows the FBI to requisition library records. This particular clause has been used to justify a surprising portion of NSA activity; at The Nation, Zoë Carpenter examines what librarians know all too well about spying, and what they’re doing to fight back.