After 9/11, the nation is struggling to really balance national security with civil liberties, ... I'm writing as someone who's lived this struggle.

The balance of civil liberties and national security has always been a precarious one. A balance that has been tested since the founding of our republic.

I think you're going to see a heavy concentration in the months ahead on national security items and making sure that terrorism doesn't revisit American shores.

The Xerox machine is one of the biggest threats to national security ever devised.

AIDS and malaria and TB are national security issues. A worldwide program to get a start on dealing with these issues would cost about $25 billion... It's, what, a few months in Iraq.

When it comes to national security, well, he's all bully and no pulpit, ... He said he was gonna have a humble foreign policy, but he's alienated with his arrogance nearly every one of our partners and allies.