Many experts have been concerned about liquid explosives for years. However, TSA, which has spent tens of billions of dollars over the last 3 years, did nothing about this threat until the British uncovered this latest plot. I almost wrote, "Incredible!", but nothing TSA does is beyond belief. Pathetic is more accurate to describe the lack of foresight and imagination on the part of TSA. Aviation consultant Michael Boyd hit the nail on the head in his latest update - read the article linked here
http://www.aviationplanning.com/asrc1.htm
"TSA's Rule: No Shirt. No Shoes. Now You Can Fly
US Aviation Security: Stupidity As An Art Form
There's no doubt about it. The bad guys are planning to hit us again.
The foiled UK plot is just one example. Not particularly sophisticated, but still an indication of a deeply-organized threat. ...
There's also the clear indication that the US aviation system is a sitting duck.
We've spent what, $15 billion? $20 billion? on "security" and all we have to show for it is an enormous bureaucracy..."