March 18, 2010 11:44 pm TB Scare at PW High School A case of tuberculosis is confirmed at Freedom High School in Woodbridge, Va. Prince William County health officials are screening others who may develop the potentially deadly infection. Local 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 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 0:43 American University locked down before man arrested on campus