Deterrence itself is not a preeminent value; the primary values are safety and morality.

New developments in weapon systems during the 1950s and early 1960s created a situation that was most dangerous, and even conducive to accidental war.

From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either the created order or mankind would be destroyed in the process.

Human and moral factors must always be considered. They must never be missing from policies and from public discussion.

To the extent that these advanced weapons or their components are treated as articles of commerce, perhaps for peaceful uses as in the Plowshare program, their cost would be well within the resources available to many large private organizations.

In a world which is armed to its teeth with nuclear weapons, every quarrel or difference of opinion may lead to violence of a kind quite different from what is possible today.

Nuclear war is such an emotional subject that many people see the weapons themselves as the common enemy of humanity.