February 20, 2015 6:40 pm Students Wear Hats, Coats Inside Cold Md. School Prince George’s County Bureau Chief Tracee Wilkins reports on the spike in broken water pipes in the county due to frigid weather and how it’s affecting schools. Local 2:15 Veteran of wars in Iraq, Afghanistan killed in Laurel hit-and-run 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