four protesters, killing two of them. >> a jury finding former police officers kimberly potter guilty of first and second-degree manslaughter. >> rejecting her defense that she mistakenly fired her gun, instead of a taser, during a struggle. >> he debate is playing out all over the country. dr. james whitfield,ed first black principal, officially removed from his position during an emotional school board meeting, all of it over a false accusation. >> reporter: critical race theory became a right-wing bogeyman. >> it's a decades-old study on systemic racism, almost exclusively taught in law school. >> this is not about anything called critical race theory is k 12. it's a backlash effort to