The Tennessee policeman who shot and killed a family's dog during a terrorizing traffic stop took just three seconds to slay the animal after it jumped out its owners' car, reports the Cookeville Herald-Citizen. Law-enforcement authorities released a videotape of the incident yesterday, which shows the three-second time frame on the tape's counter. The Cookeville police officer who shot the dog, Eric Hall, has since been reassigned to administrative duties while the incident is probed. As WorldNetDaily reported, the Smoak family was returning to their home in North Carolina on New Year's Day when three police cars swarmed their vehicle...