February 25, 2014 8:42 pm Preview of NBC4/WAMU/Marist DC Mayoral Poll News4’s Tom Sherwood previews the results of the NBC4/WAMU/Marist poll to be released Tuesday at 11 p.m. Local 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 3:08 Family holds memorial for brothers, 3 and 6, who died after Clifton house fire 2:05 ‘People immediately hit the ground': 6 hurt in shooting outside DC nightclub