LOS ALAMOS, New Mexico -- There are no armed guards to knock out. No sensors to deactivate. No surveillance cameras to cripple. To sneak into Los Alamos National Laboratory, the world's most important nuclear research facility, all you do is step over a few strands of rusted, calf-high barbed wire.

Ah yes, just what I want to hear about our sensitive facilities!

http://www.wired.com/news/conflict/0,2100,57792,00.html