Yesterday the U.S. Congress approved "a short-term extension" of a FISA law that allows wiretaps without a warrant for surveilling foreign targets, reports CNN — but only until April 30. Republican congressional leaders had sought an 18-month extension, but "failed to secure" the votes after "clamoring from some of their members for reforms to protect Americans' privacy."

The warrantless surveillance law, known as Section 702 of the Foreign Intelligence Surveillance Act, was set to expire on Monday night. Members are hoping the additional time will allow them to come to agreement without ending authorization for the intelligence gathering program, which permits US officials to monitor phone...