A Virginia high school teacher has sparked outrage on social media after posting a TikTok video in which he argues that expecting students to behave, follow directions and sit quietly is 'the definition of white supremacy.' Josh Thompson, an English teacher at Blacksburg High School in Montgomery County, specifically referred to his district's use of Positive Behavioral Interventions and Supports (PBIS), a model educators use to keep students focused and respectful in school. It is not clear how parents or students at the school are reacting to Thompson’s video or if they’ve seen it, but many Twitter users are asking...