The Spread of Nuclear Weapons: A Debate

Sagan, Scott D., Waltz, Kenneth N.

Will the spread of nuclear weapons make the world safer or more dangerous?

At a glance

You will weigh Waltz's argument that more nuclear states may mean more peace, because war grows less likely as its costs rise
You will question that argument through Sagan's view that organizations, not statesmen, control nuclear weapons and make mistakes
You will understand why two experts reading the same history reach opposite predictions, because each uses a different lens