For all the talk about the pioneering CGI in "Terminator 2: Judgment Day," there's just as much practical wizardry worth celebrating. James Cameron's 1991 action touchstone is full of actual stunts and practical visual effects which alongside its genuinely innovative computer-aided effects have allowed the film to endure for decades. These days you'll hear directors talk about how CGI should be used to compliment whatever you can shoot in-camera, but that seems a rarely followed philosophy...