California teacher caught on video yelling at student for supporting his cop dad with Thin Blue Line mask: 'That’s the new confederacy flag!'

A California substitute teacher was caught on video berating a student over the "Thin Blue Line" face mask the eighth-grader was wearing. The 13-year-old said he wears the Thin Blue Line mask to honor his police officer father. The intense confrontation happened on Monday at Lyman Gilmore Middle School in Grass Valley, California. That's where the unnamed substitute teacher got into a shouting match about Lucas Lillar's Thin Blue Line mask during a math class.-- More...