April 2, 2018 12:14 pm Science and Engineering Expo Comes to DC This Weekend Fire scientist Dan Madrzykowski shows News4’s Pat Lawson Muse some experiments that will be shown at this weekend’s USA Science & Engineering Festival Expo. Local 21:59 Lawmakers question feds about drone sightings: The News4 Rundown 0:40 Characters spread cheer at INOVA Children's Hospital 1:38 GWU basketball star using NIL money to help others 2:21 Retiring Prince George's economic development leader reflects on career 1:45 Fatal hit-and-run raises concerns about safety on Southern Avenue
