I like this Bruce Schneier quote from a CNN article on the TSA's new whole body scanner, which lets TSA inspectors look at your genitals through your clothes:
Bruce Schneier, an internationally recognized security technologist, said whole-body imaging technology "works pretty well," privacy rights aside. But he thinks the financial investment was a mistake. In a post-9/11 world, he said, he knows his position isn't "politically tenable," but he believes money would be better spent on intelligence-gathering and investigations.
"It's stupid to spend money so terrorists can change plans," he said by phone from Poland, where he was speaking at a conference. If terrorists are swayed from going through airports, they'll just target other locations, such as a hotel in Mumbai, India, he said.
"We'd be much better off going after bad guys … and back to pre-9/11 levels of airport security," he said. "There's a huge 'cover your ass' factor in politics, but unfortunately, it doesn't make us safer."
Damned right. It's amazing how many people mistake terrorism's sworn cause as eliminating air-travel. Al Quaeda are not anti-aviation activists. They want to create terror, not ground airplanes. You fight that by arresting them, not by sticking airports in safes and throwing away the keys.