July 21, 2014 6:24 am Silver Line Causes Slight Blue Line Delay It may take you a little longer to get to work this week if you take the Blue Line. Metro is in the final phase of testing trains on the Silver Line before it officially opens on Saturday. Local 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 2:20 Driver accused of deadly hit and run of skateboarder held without bail