From Arnold Schwarzenegger's Terminator, to C-3PO of the Star Wars trilogy, to the comic robot-butler in Woody Allen's Sleeper, the "android" has long been a familiar figure on the American imaginative landscape. But how far removed from reality are such fictitious creations? Will there ever be an intelligent robot in our future? Neural networks expert Maureen Caudill says yes. In fact, she argues that the development of intelligent androids is a...