...Of course, there are better ways to let off steam. As it is, American kids who have video-game machines already play, on average, nearly 1.5 hours a day. For many parents, the problem is not what their children are doing on their Nintendo systems, but what they are not doing while locked in Mortal Kombat -- reading books, playing outdoors, making friends. When the information highway comes to town, bringing with it a thousand new reasons to spend time in front of a video screen, that may be a...