In the aftermath of the recently release video showing a family terrorized and their pets shot by a SWAT team in Columbia, Missouri, that city's police chief is now saying he supports efforts to change marijuana laws so officers will no longer need to spend time and resources enforcing them. During a press conference yesterday, Columbia Police Chief Ken Burton went out of his way to state his support for ending marijuana prohibition. "I applaud your efforts," he told a reporter who asked about campaigns…