Along the way he also learned one or two things about leadership and national security and what our country is all about and what we're trying to do in the world.

Our ports, the most vulnerable in the country because they've not been thought about as national security, are now being owned by foreign businesses. Republicans actively outsourced American jobs and now they're outsourcing our American security.

It's hard to talk about whether there is a problem or not when the people who receive (the national security letters) cannot talk about it.

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.