"Zero Days" Spotlights Lack of Discussion about Cyber-Weapons: Alex Gibney Reveals...

Interviewed by Dan Raviv for the CBS News Weekend Roundup, award-winning director Alex Gibney discusses his new documentary -- "Zero Days" -- which examines how the U.S. and Israel together attacked Iran's nuclear program with a powerful, clever cyber-weapon.  Gibney wonders if it's healthy to keep the entire cyberwarfare program so secretive.  Harry Truman didn't deny the U.S. had just dropped two atomic bombs on Japan in 1945!