Amid rising antisemitism in the West, a newly elected city council in Vancouver passed a motion this week to adopt a controversial definition of antisemitism that’s drawn criticism worldwide, including from progressive Jewish communities. Critics say that the institutionalizing of this definition clamps down on legitimate criticism of Israel, silences advocacy for Palestinian rights and undermines the fight against rising antisemitism from neo-Nazi groups, skinheads and white supremacists among others. So what is this definition and what’s so controversial about it? In 2016, the Europe-based inter-parliamentary organization the International Holocaust Remembrance Alliance decided to create a framework to understand antisemitism...