If parents start to fear that monsters may have been let loose in their children's bedrooms, it may be because their children are the monsters. Consider what kind of world they are growing up in. It can all end tomorrow. Material progress no longer seems as closely meshed with human evolution as it once was; the anticipated leap into the future may not take place in a time or manner that can be so easily predicted. However, by now everyone from Richard Nixon to Chairman Mao knows that the only way to force the evolutionary curve to bend your way is by throwing larger numbers at it.