The invaluable Center for Equal Opportunity has recently released studies documenting the degree of preference given to minority applicants to law schools in Arizona and Nebraska. As I’ve written to my friend Roger Clegg, CEO’s president and general counsel, he publishes important reports faster than I can read them.Defenders of preferential treatment usually begin their defense by denying that they practice it. Thus nearly a year ago I quoted Doug MacEachern, an editorial writer at the...