May 12, 2009 4:56 pm Sneak Peak: “Mercy” Check out a preview for NBC‘s new drama “Mercy” about the secret lives of nurses. Local 2:25 Community, businesses mark first weekend of emergency curfew at National Harbor 1:27 Police search for suspect who vandalized Rockville synagogue sign 2:03 PNC Parkway Classic marks 40 years of racing in Virginia 5:01 Strawberry Season: Pick fruit at this Virginia festival 0:40 Man stabbed to death near Audi Field in DC