As the former chief executive and elected Sheriff in Milwaukee, Wisconsin, I always demanded professional conduct from my officers. It is crucial for the public to have trust and confidence in their law enforcement agencies. I stressed excellence—not perfection. It is important to realize that we are dealing with human beings and thus, the imperfection of the human condition. Like in any aspect of life, people are always going to fall short of what we expect. Your kids, even your spouse, will let you down at times. When in a position of trust like policing, a higher standard is warranted—so...