* Al-Qaeda in Iraq targeting U.S.?
* Insurgents behind copter crash
* Google Earth disappears Iraq bases (background)
* Blackwater buying 767s
* Homeland security tech pageant
* Exploding robots vs. asteroids
* UK cops hack gov't PCs
* "Facial skin signature"
* Spider ship sails thru San Fran Bay
* Inside Darpa's IT push
* Petraeus testifies
* First JTRS radio deploys
(Big ups: RC, NW, /., Kris, Stephen)