[caption id="attachment_7873" align="alignright" width="150"] Chief John Dixon III[/caption] The president of the National Organization of Black Law Enforcement Executives (NOBLE) expressed on Tuesday that he believes marijuana laws are total failures, reports mlive.com. John Dixon III is a police chief from Petersburg, VA and spoke at the annual NOBLE conference, saying that law enforcement is too concerned with arresting people for minor marijuana offenses that can irreparably harm those who are…