iRobot, maker of the Roomba robotic vacuum cleaner, already manufactures robots for the US military, but now it's teaming up with Taser for a new nonlethal robo-weapon for soldiers and cops. Are these robot weapon creators taking yet another baby step toward a world with killer RoboCop terminators, giving our future robot overlords the go-ahead toward their inevitable world domination? Well, these are the first robots capable of using force to take down suspects, so fill in the blanks. ...