Editorial: Stopping the airline bombers / New Scientist, 18 Augt 2006

http://digbig.com/4mktm
"After 9/11, sharp objects were banned from hand luggage. Shortly afterwards, following Richard Reid's thwarted attempt to detonate a shoe bomb, US airports began screening passengers' footwear. For now, different levels of bans exist on liquids. Is this making our flights safer, and where will it all end?"