In a push to hire minority police officers, the Obama administration is asking the nation’s 18,000 law enforcement agencies to forgive drug use, disregard the criminal records of candidates from “underrepresented communities” and lower standards on written and physical exams. It’s part of the administration’s Advancing Diversity in Law Enforcement initiative following a string of officer-involved shootings involving African Americans. Key to the mission is the racial diversification of local law enforcement agencies so that they “better reflect the diversity of the communities they serve.” To accomplish this, several barriers must be removed and the details are outlined in a...