This is a bad time to be a police chief. It's really bad for black police chiefs, many of whom were elevated as part of diversity initiatives, only to find that major cities have moved from diversifying police to defunding them or calling for racial purges. Seattle Police Chief Carmen Best appeared stunned this week when confronted with City Council member Lisa Herbold’s suggestion that laying off police officers due to a defunding of the department could be done by a race basis rather than seniority. “It is illegal to make layoffs based on race,” Ms. Best promptly told a...