A religious school in Florida says it will only refer to students by their sex assigned at birth, while pupils who are gay, transgender or gender nonconforming "will be asked to leave the school immediately." NBC News obtained an email from Grace Christian School in Valrico, about 20 miles east of Tampa, sent before the beginning of the school year by Administrator Barry McKeen. The subject line of the email reads: "Important School Policy Point of Emphasis. ... Please Read." The June 6 correspondence to parents cited scripture and said that students will be referred to by the "gender on...