South Yemen. and Libya to cease their support for international terrorist organizations. We all know who the culprits are. and we know how to punish them. Combatting terrorism must include a broad spectrum of responses. It is obvious that diplomacy alone is not enough. but it is certainly a place to start. We must consider the possibility of denying visas to citizens and representatives of any country that uses or supports terrorist tactics. We must consider canceling landing rights and port access of state sponsors of terrorism. within the limits of international agreements and regulations. These measures have been employed before. and on some occasions have been quite successful.