This inevitability of conflict motivates us today and echoes the reminder that freedom is not given away and our national security is not achieved without sacrifice.

How we treat the earth basically effects our social welfare and our national security.

The academy has been dealing with the issue of scientific openness versus national security since 9/11,

The Bush campaign was all about national security. [Campaign members] implied ... that a vote for Kerry would put you in danger.

We regularly hold terrorists and spies accountable in court while safeguarding both national security and due process. We are confident in the system of justice to try these cases under the procedures adopted by Congress and regularly upheld by the courts.

This, post 9/11, is a situation that we can't explain or can't afford from a national security standpoint,