August 21, 2013 11:46 am McAuliffe Leading Cuccinelli in New Poll NBC News Senior Political Editor Mark Murray discusses the Virginia governor race, an upcoming meeting between Marco Rubio and Mark Zuckerberg, and a recall election in Colorado. 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