This concept may be unfamiliar to some readers who don't have relatives or close friends serving on the police force but it happens all over the United States. Police Unions, including those representing the officers in the NYP, issue what are known as "courtesy cards" to officers. They are emblazoned with a police officer's badge and display the name of the union that issued them. The officers can then distribute them to friends, family members, or even people they are seeking favors from. If...