Jacob Sullum on a New Challenge to the NSA's Warrantless Wiretaps


Paramount Pictures

Last Friday the Justice Department acknowledged for the first time that it is using evidence derived from warrantless wiretapping to prosecute someone. That development, says Senior Editor Jacob Sullum, sets the stage for a Fourth Amendment challenge to a law that gives the National Security Agency amazingly broad discretion to eavesdrop on Americans' phone calls and read their email.