The situation between New York City police and the Mayor’s office has clearly reached a critical point. While they have disagreed on several things in the recent past, there always seemed to be some level of cooperation remaining, or at least the willingness to maintain a public patina of such when the cameras were turned on. But after Bill de Blasio’s response in the wake of Eric Garner’s death, it seems that city’s finest have had enough. A police union in the Big Apple has asked their members to sign a waiver stating their wishes that Hizonor refrain from...