When a young Jewish woman was murdered at my university a decade ago, the crime seemed unthinkable. Today, such events can feel almost chillingly unsurprising.
Violence driven by racial or religious hatred is as American as apple pie, according to a cultural anthropologist who has studied the white-power movement.
After months of controversy and allegations of anti-Semitism against Corbyn and the party, he focused on winning issues like green jobs and free childcare in the closing speech.