Wisconsin's racial disparities exist in part due to ignorance. The incident involving a student wearing blackface at a local high school sporting event over the weekend showcases the need for students to be taught black history in more depth, not just in the suburbs of Madison, but throughout the state of Wisconsin. The student, who did not wear blackface upon arriving at a Sun Prairie High School but applied it on during the girls basketball game on Saturday, was immediately chided by his fellow peers, and told to remove it by them. That's wonderful news that deserves to be recognized — that the kids spoke up against a racist action . What's disturbing, however, is that the action happened in the first place. According to the Sun Prairie School District, which sent a letter to parents on Monday about the incident over the weekend, had the administrators noticed the student engaging in direct racist activities, they would have halted it at once. "The stud...