The principal at Kenwood Trail Middle School in Lakeville, Minn., advertised a “day of silence” during which students refrained from speaking to protest for LGBTQ causes. The principal, Kelly McDermott, promoted the event, which took place late last week, on the school’s Schoology page. “Tomorrow … is a Day [sic] of silence. This is a day where lgbtq [sic] members and their allies vow to not speak for the entirety of the day,” she posted. “We realize that a bunch of students not speaking for an entire day may be inconvenient or stressful, but we would like our school to...