Zac Morris was sitting in a tutorial a few weeks into his first semester at university, about to suggest what to do next, when a classmate interrupted. "Someone in the group I'd met maybe a few weeks before just goes, 'We're gonna kill the Jews'," Mr Morris, now in his fifth year, remembers. "It did feel quite intense, being in that situation as an 18, 19-year-old, and having someone advocate for your people's genocide as a joke." Zac Morris was shocked by an antisemitic joke made in class. ( ABC New: Shaun Kingma ) New research shows the disturbing levels...