Carson City, Nev. • A federal appeals court has upheld a northern Nevada high school’s decision to expel a former student who referenced the Virginia Tech massacre and threatened violence against classmates through social media five years ago. The 9th U.S. Circuit Court of Appeals ruled last week that Landon Wynar’s threat to massacre classmates at Douglas High School were not a form of speech protected by the First Amendment. Wynar was a 16-year-old sophomore when he was arrested in 2008 a...