News4 Rundown February 18, 2021 8:00 pm Mars Rover Begins NASA's Most Ambitious Mission Yet: The News4 Rundown The Mars rover touches down and vaccine delays cause frustration. 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