June 7, 2021 6:15 pm What Is Critical Race Theory? There’s a political firestorm brewing in Loudoun County Schools over whether “critical race theory” should be taught in the classroom. News4’s Pat Muse explains the theory and the controversy behind it. Local 3:26 Science 4 Everyone: Comparing the size of countries, states to the US 2:44 Battle brews over Rock Creek Park Golf Course tree removal 2:28 Loudoun County District 32 vote in ‘firehouse primary' ahead of special election 0:21 Arlington Public Schools teaching assistant arrested 0:44 Silver Spring Thanksgiving parade will honor local Olympians