It's basic due diligence to make sure that whenever a foreign entity acquires a controlling interest in a U.S. company that national security isn't threatened.

The most important thing is national security -- that we're controlling our borders so that terrorists don't come in.

It was in the national security interest, because we depended on the stability in Turkey and the stability in Jordan in order to encircle Saddam Hussein.

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.