THE Supreme Court has again upheld the principles behind race-conscious affirmative action, no small feat for the cause of diversity in higher education. But in framing the issue very technically, it has, wittingly or not, continued its drift away from the ideals it advanced in the civil rights era, beginning with Brown v. Board of Education. In its decision on Monday, in Fisher v. University of Texas, the court ordered a federal appellate court to take a fresh look — under the demanding standard of “strict scrutiny” — at whether Texas’ public universities were properly using race as one factor...