A 15-year-old in South Carolina is suing her school district for violating her civil rights after a teacher assaulted her in the hallway for refusing to recite the Pledge of Allegiance. Marissa Barnwell, a Black honor roll student at River Bluff High School, was walking to her classroom on November 29, 2022 — her birthday — when a teacher, Nicole Livingston, grabbed her and held her against a wall…