The number of weapons states, kept to single figures for so long, could jump dramatically in a generation.

Of acknowledged nuclear weapons states, Britain scored best at 10th among the 32 countries.

Each time a new nuclear weapons state emerges, we rightly suspect that the world has grown more dangerous.

Currently, India maintains the world's third largest active armed force and is a nuclear weapon state.

Nearly all other countries, including all five of the declared nuclear weapon states, will sign the treaty.

The nuclear weapon states have largely treated that aspect of the agreement as "decorative" and without force.

No other weapon state has ever opened its atomic books, and the Administration is trying to set an example for other countries, especially Russia.

Essentially, all preparations for waging nuclear war have already been made by supposedly non-nuclear weapon states.

All signatories, including nuclear weapon states, were committed to the goal of total nuclear disarmament.

This is the only binding commitment on non-proliferation between the nuclear weapon states and nations that do not have nuclear weapons.