Surely someone in recent months has noted that Charlie Sheen is his own worst enemy.They could make the same comment, now, about the Washington, D.C. police.They need to see serious reaction after D.C. cops drove at 80 mph or more to deliver Sheen to one of his on-stage tantrum sessions.Sheen paid them back by posting information about his high-speed run through the streets of the nation’s capital on the Internet.According to the Associated Press, “Sheen included a picture of a speedometer reaching about 80 mph and a message that read: ‘In car with Police escort in front and rear! Driving like someone’s about to deliver a baby! Cop car lights (hash)Spinning!’”“D.C. Police Chief Cathy Lanier said in a statement Friday that the escort, conducted by the department’s Special Operations Division, appeared to violate police protocol in multiple ways and was being investigated by the internal affairs division.“She said emergency equipment, such as sirens and lights, was not to be used in non-emergency situations and that members of the department do not operate in other jurisdictions without the help of other law enforcement agencies.