NSA Leader Ready for Spying Curbs He Says Lessen Safety

The head of the U.S. National Security Agency is preparing to deal with new constraints on spying methods at home and abroad while warning they may make the nation more vulnerable to terrorist attacks.

General Keith Alexander spent the last few days being questioned by members of Congress considering restraints on the agency’s collection of phone and Internet data, and at a speaking engagement where he was pressed on possible curbs on the NSA’s eavesdropping on foreign leaders.