A California substitute teacher referred to a mask worn by a student bearing the thin blue line flag for police officers as the next confederate flag and told the teen he had no right “bastardizing” the American flag. The middle school teacher, whose identity could not be confirmed by The Epoch Times, was caught on video by a student in the math class using a smartphone. In the video, the burly teacher is yelling at 13-year old Lucas Lillar, who argues back with the teacher that he was wearing it in honor of his father, a police officer, as a way to, “keep him safe,” the teen says. “If cops don’t like you, they shoot you,” the teacher, who appears to be in his mid-50s, said to Lucas and other students who began arguing in support of their classmate’s mask. Amanda McCallum, Lucas’s mother, told The Epoch Times that she …