“ It is the policy of the United States to lead and seek multilaterally coordinated efforts with other countries to control the proliferation of chemical and biological weapons. The Secretary of State shall accordingly ensure that the early achievement of a comprehensive global convention to prohibit the production and stockpiling of chemical weapons, with adequate provisions for verification, shall be a top priority of the foreign policy of the United States, and the Secretary of State shall cooperate in and lead multilateral efforts to stop the proliferation of chemical weapons. ”