How do you manage a workforce that is no longer on your side?
That is a question facing New York City Mayor Bill de Blasio as tensions continue to escalate with the city's police force. Last week some members of the police turned their backs at the mayor during the funerals of two slain officers Wenjian Liu and Rafael Ramos. It was a silent protest over what the police say is a lack of support by the mayor for the city's police officers.
Former Continental Airlines CEO Gordon Bethune and former Pennsylvania Gov. Ed Rendell have both dealt with unhappy unions in the past. They told CNBC's "Power Lunch" that the mayor must show real personal interest in the police and make efforts to show that he cares about them.
"I'd go ride around with them in the police cars at night, visit the stations and let them know firsthand that he's interested. That's what he needs to do," Bethune advised.