Why Is it OK to Discriminate Against One Minority -- to Favor Another Minority?

A question for liberals.

In 2007, in a case involving school de-segregation, Chief Justice John Roberts stated what to some was the obvious. “The way to stop discrimination on the basis of race,” he said, “is to stop discriminating on the basis of race.”

But when race is involved in the United States, it’s never that simple.

Cases involving schools and affirmative action historic…