By: Mark Glennon* Not since the Vietnam War have I seen as much strife and personal hostility within an otherwise friendly community. Thank the administration of New Trier High School in north suburban Chicago. This story is about the madness on college campuses now being crammed down into a public high school. More importantly, it’s about an angry brawl now growing rapidly. Oblivious to how identity politics have divided the country, the school is holding an attendance-mandatory All-School Seminar Day with the stated goal of “understanding today’s struggle for racial civil rights.” That sounds fine, but the problem is that