December 18, 2019 6:02 pm App Teaches People How to Talk With Climate Skeptics A professor at George Mason University developed a new app that teaches people how to talk with with climate change skeptics. Local 1:43 Woman killed in Landover hit-and-run is Prince George's County's 14th pedestrian killed this year 2:33 Witnesses describe hearing deadly Centreville shootout 0:36 1 dead, 2 hurt in shooting near DC's Fort Dupont Park 2:59 1 man dead, 1 man hurt in Centreville shooting: police 2:20 NTSB report reveals details about moments leading up to Key Bridge collapse