Surveillance of power is one of the most important ways to ensure that power does not abuse its status. But, of course, power does not like to be watched.

I tell people: if it's in the news, don't worry about it, because by definition, news is something that almost never happens.

Given the credible estimate that we've spent $1 trillion on anti-terrorism security

Chaos is hard to create, even on the Internet.

Air travel survived decades of terrorism, including attacks which resulted in the deaths of everyone on the plane. It survived 9/11. It'll survive the next successful attack. The only real worry is that we'll scare ourselves into making air travel so onerous that we won't fly anymore.

If you ask amateurs to act as front-line security personnel, you shouldn't be surprised when you get amateur security.

Liberty requires security without intrusion, security plus privacy.