December 4, 2014 6:55 pm Obama Family Lights National Christmas Tree News4’s Doug Kammerer reports live from the national tree lighting. Local 1:51 Video shows Maryland ATM thieves using car to rip door off Landover Hills store 3:06 Security barriers installed at George Washington U. after DC police clear encampment 2:07 Montgomery County students who overcame truancy celebrate graduation 3:20 Boil water advisory in effect in Northwest DC after water main break 25:58 DC police clear GW encampment: The News4 Rundown