The death of a nonbinary teen who collapsed a day after an altercation at a high school in Owasso, Okla., has been ruled a suicide, according to a one-page summary report released Wednesday by the state’s chief medical examiner. Nex Benedict’s death last month triggered vigils not only in that Tulsa suburb but across the country because the sophomore, who used they/them pronouns, had told family that other students were bullying them in school. The fight happened Feb. 7. The 16-year-old collapsed at home the next morning and died within hours at a Tulsa hospital. The medical examiner’s report said...