“This is a week when Chicago police officers are having their days off and vacations cancelled,” Shields said. “They’re being forced to work 12-hour shifts, yet, on the flip side, they’re being told they can’t be compensated in a manner that is guaranteed by our contract. It’s the city’s way, or no way. NATO is not to trump the contract collectively bargained. This is just another example of the city not honoring the contract.”