Instead of dispatching an officer each time, several Colorado police departments may soon dispatch a drone to respond to certain 911 calls. While the proposal has promise, it also raises uncomfortable questions about privacy. As Shelly Bradbury reported this week in The Denver Post, “A handful of local law enforcement agencies are considering using drones as first responders—that is, sending them in response to 911 calls—as police departments across Colorado continue to widely embrace the use of the remote-controlled flying machines.” Bradbury quotes Arapahoe County Sheriff Jeremiah Gates sayi…