The fact that a crime might have been committed with impunity in the past may make it seem more familiar and less gruesome, but surely does not give it any greater legitimacy.
The inequalities are greater now than in '92. Some states have equalized per-pupil spending but they set the 'equal level' very low, so that wealthy districts simply raise extra money privately.
A great deal has been written in recent years about the purported lack of motivation in the children of the Negro ghettos. Little in my experience supports this, yet the phrase has been repeated endlessly, and the blame in almost all cases is placed somewhere outside the classroom.