Clear and Present Danger: Cyber-Crime; Cyber-Espionage; Cyber-Terror; and Cyber-War
Luke Harris

The nation's point man on cyber threats, National Security Agency Director and the Pentagon's Cyber Command Commander General Keith Alexander discuss cyber-threats and the steps being taken to combat them. Featuring: Gen. Keith Alexander, Director, National Security Agency; Commander, U.S. Cyber Command Moderator: Pete Williams, Chief Justice Correspondent, NBC News