ABC's prime-time drama "Commander in Chief," starring Geena Davis as the president, ignited an explosion of anger in Prince George's County yesterday as community leaders denounced an episode as offensive and racist for portraying the county as crime-ridden and in need of a federal takeover. In the episode that aired Thursday night, called "Ties That Bind," Davis's character, Mackenzie Allen, watches a segment on the local news about civil unrest in Prince George's during a protest over the high homicide rate and a lack of police protection. She then goes to the Prince George's city of Hyattsville and gets out...