Disparate impact. That's a phrase you don't hear much in everyday conversation. But it's the shorthand description of a legal doctrine with important effects on everyday American life -- and more if Barack Obama and his political allies get their way.
Consider the Department of Justice and Department of Education policies on school discipline. In a "dear colleague" letter distributed last month, the departments noted that "students of certain racial or ethnic groups tend to be disciplined more than their peers."
Specifically, blacks made up 15 percent of the student population but accounted for more than 35 percent of suspensions.
The letter breezily explains that "research suggests" that this disparate impact of student discipline is not explained by more frequent misbehavior and concludes that "racial discrimination in school discipline is a real problem."
The upshot is that teachers and principals are on notice that they may get into trouble if they suspend or penalize black students in disproportion to their numbers.
It's not hard to imagine the likely results: quotas on student discipline and a double standard if, as appears likely, black students misbehave at higher rates than non-blacks.
And it's important, as U.S. Civil Rights Commission member Gail Heriot wrote, to "consider the other side of the coin -- that African-American students may be disproportionately victimized by disorderly classrooms."
Not much learning takes place in classrooms disrupted by misbehaving students. This policy could end up hurting black students who do not misbehave.
A similar price may be paid by law-abiding blacks and Hispanics in New York City if incoming Mayor Bill de Blasio follows through on his campaign promise to end the police department's stop-and-frisk policy.
That policy was disapproved as "indirect racial profiling" by a federal judge who used disparate impact analysis: The percentage of blacks and Hispanics stopped and frisked was far higher than their share of the city population.
But as Heather Mac Donald of the Manhattan Institute has pointed out, the relevant comparison group is not population data, but crime data. The judge, she wrote, "ignored the fact that blacks commit nearly 80 percent of all shootings in New York and two-thirds of the violent crime."
The appeals court removed the judge from the case and stayed her decision, and de Blasio appointed William Bratton, who has defended stop-and-frisk, as police commissioner. This suggests that the police tactics that have made the city safer for law-abiding blacks, and Hispanics will not be entirely abandoned.
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