September 13, 2012 12:06 am Vigil in Front of White House After Libya Embassy Attack A candlelight vigil in front of the White House for the U.S. ambassador to Libya and three others killed in an attack. Local 3:28 Social media and teens' mental health: A psychiatrist weighs in 1:41 DC-area police ramp up traffic enforcement in pedestrian safety campaign 3:05 ‘We need real liberation': George Washington University pro-Palestinian protest enters fifth day 2:17 GW asks to students to move pro-Palestinian demonstration 3:01 “It's 100% different”: Community reflects on emergency curfew at National Harbor