The danger is past. There's no urgency about eliminating nuclear weapons. The end of the cold war is the most opportune moment to eliminate nuclear weapons. If we wait for terror to revive, we will pay with the destruction of our cities. Most people are not particularly interested in the subject of abolition of nuclear weapons.
Nuclear arsenals are necessary indefinitely.
The only complete defense is the elimination of nuclear weapons and assurance that they'll never be produced again. A nation could violate an abolition agreement, thereby placing itself in a position of overwhelming military strength. Verification measures would almost certainly reveal the violation before nuclear weapons were actually produced in any significant numbers, giving us time to destroy the production facilities with conventional weapons. Moreover, if a nuclear-free United States were attacked with a few nuclear weapons we could dismantle that country militarily and economically with conventional weapons. The risk in not eliminating nuclear weapons is totally unacceptable because it is the risk of the destruction of nations.