| The president already has the power to waive environmental rules for national security. |
| Criteria for such a warning include the visibility of the threat, how actively it is being exploited, and the risk to national security. |
| Suddenly its own chosen ground of national security had turned into quicksand. |
| Thus an issue of great concern for national security has been made into a partisan affair. |
| It continues unabated despite the national security interest in this war on terror. |
| Is this really about Taiwan's national security or just something unpresentable? |
